lesson ( 1 ) matter i ) complete the following · pdf fileeverything that occupies a space...
TRANSCRIPT
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Governorate Department : science Nozha Directorate of Education Form : 4th primary Nozha Language Schools Revision sheet “Ismailia Road” Branch
Lesson ( 1 )
Matter
I ) Complete the following statements :
1. Matter is characterized by having ………….and ……………
2. …………..is the suitable unit to measure the length of your pencil .
3. Metre is the measuring unit for ……………….
4. Everything that occupies a space and has mass is called …………….
5. A graduated ruler is used to measure …………..
6. A common balance is used to measure …………………….
7. The volume of the book can be calculated by multiplying …….x …….x……
8. ………….is the amount of material that the object contains .
9. The measuring tape is used for measuring ……………….
10. Kilogram is the measuring unit of ………………………..
11. It is used to measure the volume of liquids……………..
12…………..unit is used to measure small masses while ………..unit is used to
measure big masses .
13. ………………and ……………..are from the types of balances.
14. It is used to estimate the mass of tiny objects as things made of gold …………
15. Cubic meter is the measuring unit of ………………..
16. Units of measuring mass are ……………. and …………….. .
17- 4 kilogram = …………….. grams but 1 liter = …………… cm3
18- We use ……………….. tool to measure the volume of an irregular piece of
stone while we use …………………… to measure its mass .
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II- Choose the correct answer : 1. Matter has ………. a. volume only b. mass only c. mass and volume d. mass and length only 2. …………..are measuring tools that measure the length of any object . a. Graduated cylinders b. Sensitive balances . c. Graduated ruler and graduated tape d. Two –pan balance 3. A graduated cylinder have 100 cm of water . When a pupil puts four marbles equal in size in the cylinder , water level raises to 120 cm 3 what is the volume of each marble ? ……… a. 30 cm 3 b. 25cm 3 c. 20cm 3 d. 5 cm 3 4. When a piece of stone is put in a jar containing 30 cm 3 of water , the water level raises to 50 cm , so that the volume of the stone piece equals ……….. a. 20 cm 3 b. 30 cm 3 c. 50 cm 3 d. 80 cm 3 5. Milk has ………….. a. mass only b. volume only c. length d. (a) and (b) 6. The volume of a solid materials measured by …………unit . a. cm b. cm 2 c. m 2 d. cm 3 7. We can determine the volume of an irregular small stone that doesn't dissolve in water , by using …………. a. a glass beaker b. a measuring cylinder c. a common balance d. a graduated ruler
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III- Write the scientific term : 1. It is the space that is occupied by the object .
[ ] 2. The amount of the material that the object contains .
[ ] 3. Anything that occupies a space and has mass .
[ ] 4. A tool used to measure the mass of any object
[ ] 5. A unit used to measure the large masses as fruit and vegetables
[ ] 6. A tool used to measure the mass of gold , silver and chemical substance
[ ] 7. A tools used to measure the length of objects .
[ ] IV- Put (√ ) or ( x ) and correct the wrong ones : 1. Mass is the space that is occupied by the object . ( )
2. We use the graduated tape and the measuring ruler in measuring length ( )
3. Common balance is the measuring unit of volume . ( )
4. Sensitive balance is used to measure the mass of small objects . ( )
5. Centimeter and gram are the measuring units of length . ( )
6. Matter exists in one state at the ordinary temperature . ( )
V- Look at the following figure , then answer the following questions :
1. The volume of water (V 1 ) = ………cm 2. The volume of water and the four marbles ( V 2 ) = ……..…cm 3 3. The volume of the four marbles = ……….- …….= ………cm 3 4. The volume of the four pieces of marbles = ……….÷…….= ………cm 3 B) A mobile phone has a length of 6 cm .its width is half its length and its height is 2cm . Calculate its volume …………………………………………………………………………………………………………………………………………………………………………
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***Some important points :
Way to estimate volumes of solids Measuring volumes of Measuring volumes of regular solid bodies irregular solid bodies (using physical law) (using Graduated cylinder )
V= Length x width x height V= V 2 - V 1
Symbol Stands for Used for
m metre
Measuring length cm centimetre
km kilometre
gm gram Measuring mass
kgm kilogram
cm cubic centimetre Measuring volume
L litre
…………………… …………………..
…………………. ……………… …………………
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Lesson ( 2 ) Matter states and its change
I- Complete the following statements : 1. The states of matter are ………….., ………..and …………
2. Water changes into ice by ……………..
3. On transferring water from one container to another , its shape will …………
4. Ice can be changed into water by …………..
5. Ice is the …………state of water , while …………is the gaseous state of water
6. If a liquid freezes , it becomes ………………..
7. Matter can be pressed in case of …………state of matter .
8. The ……………substances have definite shape and volume .
9. Iron and …………are examples of the ……………matter .
10.Water and …………..are examples of the …………..matter .
11. Oxygen ,………..and ………..are considered gaseous matter .
12. Matter that has a definite volume and an indefinite shape is known as ………
13. Liquid have …………..volumes and don't have definite ………………
14. Evaporation is the changing of matter from ………state to the ………..state .
15. Air is a………….matter because it hasn't a definite ………..and …………
16.Water vapour changes into …………..by ………..
17.Water can change from the liquid state to the solid state by …………..and this
process is called ………………..
18. Melting is the transfer of matter from ……….state to ……..state by heating .
19.Condensation is the change of matter from the ……..state to the ……….state .
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II- Write the scientific term : 1. Solid , liquid and gases . [ ] 2. The substances that take the shapes and the volumes of their containers .
[ ] 3. A state of matter that has a definite volume and shape . [ ] 4. A state of matter that doesn’t have a definite shape . [ ] 5. The change of water into water vapour . [ ] 6.A change of matter from the solid state to the liquid state by heating . [ ] 7. A change of matter from the gaseous state to the liquid state . [ ] 8. A state of matter that doesn’t have a definite shape or volume . [ ] III- Classify the following materials in the following table into solids , liquid and gases : Oil – Table salt – sugar – Kerosene – Benzene – Air – Water – Iron pieces – Oxygen – Ice – Water vapour .
Solids Liquids Gases ………………………
………………………
………………………
………………………
………………………
………………………
………………………
………………………
…………………………
…………………………
…………………………
…………………………
Solid liquid gases
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IV-Choose the correct answer 1. Matter has …………state (s) a. one b. two c. three d. four 2. Matter changes from one state to another by ………… a. heating b. boiling c. stirring d. heating or cooling 3. The transfer of matter from the solid state into the liquid state is called ……… process . a. condensation b. evaporation c. freezing d. melting 4. The change of matter from the liquid state into the gaseous state ( water vapour ) is called …………………. a. freezing b. condensation c. evaporation d. melting 5. …………is considered one of the gases . a. Salt b. Wood c. Oxygen d. Alcohol 6. The change of water into ice is accompanied by ………… a. an increase in mass b. evaporation process c. an increase in temperature d. a decrease in temperature 7. All of these matter have a definite volume and an indefinite shape except …….. a. alcohol b. oxygen c. water d. oil 8…………….is the solid state of water a. Alcohol b. Ice c. Water vapour d. Kerosene 9.……………are similar in having indefinite shapes a. Solids and liquids b. Solids and gases c. Liquids and gases d. Liquids , solid and gases 10.Which of the following substances can melt ? a. water b. ice c. oil d. water vapour 11. Freezing is the transformation of matter from the ……………… a. solid state to the liquid state b. liquid state to the gaseous state c. liquid state to the solid state d. gaseous state to the liquid state
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V- Correct the underline : 1. The matter has two states . ……………………………………………………………….. 2. Water is a solid at ordinary temperature . ……………………………………………………………….. 3. If you heat a liquid it melts . ……………………………………………………………….. 4. Gases have definite volume and indefinite shape . ……………………………………………………………….. 5. Melting is the change of matter from the liquid state to the solid . ……………………………………………………………….. VI- Put (√ ) or ( x ) and correct the wrong ones : 1. Iron and wood are from the solid substance. [ ]
2. liquids are evaporated by heating . [ ]
3. Each matter exists in three state at the ordinary temp . [ ]
4. Gaseous substances have indefinite shapes and volume . [ ]
5. Matter exists in five state . [ ]
6. The condensation is a process of transformation of matter from liquid state to
gaseous state . [ ]
7. Matter changes from the solid state into the liquid state by melting , called
freezing . [ ]
8. Appearance of some water droplets on the leaves of plants and cars in the early
morning is due to the condensation process. [ ]
9. Oxygen has a definite shape and volume . [ ]
10. When water freezes , it changes into water vapour . [ ]
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VII- Choose from group (B) what suits in group (A)
A B 1- Melting a. change of matter from the liquid state to the gaseous state.
2- Freezing b. change of matter from the solid state to the liquid state.
3- Condensation c. change of matter from the liquid state to the solid state.
4- Evaporation d. change of matter from the gaseous state to the liquid state.
Notes Water changes to vapour by heating . Liquid changes to gases by heating Vapour changes to water by cooling .Gases change to liquids by cooling
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Lesson ( 3 ) Elements around us
I- Complete : 1.The melting point of sulphur is ………….than the melting point of Aluminium
2. ……………..have a shiny appearance , but ………..don't have shiny appearance
3. ……………….. element is used in making the dry cell .
4. Graphite is a form of ………..element and it is a good conductor of …………
5. Metals are good conductors of ……………..and ………………..
6. Elements are divided into two main groups which are ………and ……………
7. Carbon and ……………..are solid non – metals , while oxygen and ………….
are gaseous non-metals .
8. …………………is a good conductor of electricity .
9.We use …………….and ………………..in the manufacturing of jewels but we
use …………..in manufacturing of bridge
10. From metals are …………… , ……………… ,and …………………………
11. Cooking pots and pans are made of ………………………
12. All non metals are ……………….conductors of electricity except …………..
13. Aluminium is used in making ………………and ……………………….
14. The positive poles of the dry cells are made up of …………..elements .
15. Metals have ……….boiling points but ……..…..have low boiling points .
16. The electric wires are made up of ……………..
17. Oxygen is a …………non-metal at room temperature while …………is a liquid
non-metal at room temperature .
18.Metals are solid at room temperature except ……………that is a …………..
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II- Choose the correct answer : 1. Iron and copper are considered from ………………………… a. metals b. liquid non metals c. gaseous non metals 2. ………………..is a good conductor of electricity . a. Foil paper b. Sulphur c. Phosphrous d.Bromine 3. Carbon ……… a. is a good conductor of heat b. is a good conductor of electricity . c. has high melting point d. ( a ) , ( b ) , ( c ) 4.All non – metals are bad conductors of electricity except a. carbon b. copper c. iron d. gold 5………………..is a bad heat conductor a. Bromine b. Aluminium c. Iron d. Copper 6. electric wires are made up of ……………….. a. sulphur b. carbon c. copper d. gold 7.All the following are solid metals except………… a. copper b. iron c. aluminium d. mercury 8. Coins are made of …………… a. iron b. aluminium c. copper d. graphite 9. The liquid non – metal is …………. a. mercury b. bromine c. carbon d. sulphur III- Put ( √ ) or ( x ) and correct the wrong ones : 1. The positive pole of dry cell is made of metallic element which is carbon element
[ ]
2. Aluminum is used in making bridges and cars . [ ]
3. Elements are classified into metals only . [ ]
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4. All metals are solids at the room temp except bromine . [ ]
5. Gold is a bad conductor of heat . [ ]
6. Non metals exist in solid , liquid and gaseous states . [ ]
7. Mercury is a liquid non-metal , while bromine is a liquid metal . [ ]
8. Carbon and sulphur are solid non-metals . [ ]
9. All metals are solid . [ ]
10. Iron , copper and carbon are metallic elements . [ ]
IV- Write the scientific term : 1. An element used in manufacturing of foil . [ ]
2. A metal used in making jewellery [ ]
3.A liquid non-metal [ ]
4. A liquid metal . [ ]
5. Elements have high melting points . [ ]
6. A non – metal is good conductor of electricity . [ ]
7. Elements have low melting points . [ ]
8. A non – metal in manufacturing positive poles of dry cells .
[ ] V- Choose from column (B) what is suitable for column ( A) : -
( A ) ( B )
1. Carbon a. liquid non- metal 2. Bromine b. liquid metal in the normal
temperature . 3. Mercury c. gaseous non – metal in the normal
temperature . 4. Oxygen d. Solid non- metal
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VI- Complete the following table :
Metals Non – metal
1. Have ……………, luster 1. doesn’t have …………… and …………..
2. Are …………… conductors of electricity .
2. Are …………… conductors of electricity except …………….
3. They usually exist in the solid state except ……..…. which is a …………
3. Can exist in three states at room temperature which are ……….. ,…………….. and ……………
4. From metals are ……… , ……….. and ………………..
4. from non metals are ………..,……... and ………………..
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Lesson ( 4 )
Physical and chemical changes
A- Complete the following statements :- 1. Matter changes from one state to another by ……………….or ……………….
2. There are two kinds of changes that occur to matter which are …………….
change and ………………. change .
3. Fermentation of fruits occurs when they are exposed to air for a long time so this
is …………………. change .
4. The melting of wax is considered a ……………..change , while a burning of a
candle is a …………………..change .
5. Fermentation of fruits produces anew ………….with new ……………………
6. Charring of bread is a …………………..change .
7.Adding yeast in baking is considered a …………..change .
8. Grinding a quantity of sugar a …………change , while burning an amount of
sugar is a ………….change .
9. Melting of any solid matter as chocolate is a …………….change .
10.Melting of wax is considered a ……….change , while burning of a candle is
a…………………..
11. production of yoghurt from milk is a ………….change and the digestion of food
is a ……………change .
12. Physical change in the ………….of matter without any change in its ………..
13. Chemical change in the …………..of the substance producing a new
…………..with different ……………..
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B- Choose the correct answer :- 1. …………………….belongs to physical changes . a. Wood combustion b. Burning of sugar c. Iron rust d. Water freezing 2. The types of change that occur to matter are ……….types . a. two b. three c. four d. five 3. All of these belong to physical changes except …………… a. grinding of sugar b. malting of ice c. fermentation of wood d. condensation of water vapour 4. After dissolving table salt in water it ……………………. a. keeps its salty taste only b. keeps its structure constant only . c. Changes physically only d. a , b , c 5. ………………. is change in the appearance ( shape ) of matter without any change in its structure . a. Chemical change b. A physical change c. A biological change d. Freezing . 6. On leaving iron wires in water and air for a few days……………. a. their colour changes b. a chemical change takes place c. they form a new substance with new properties d. a , b ,c 7.Chemical changes include ……….. a. burning b. iron rusting c. sugar charring 8. Adding water to table salt and stirring produce a ……………. a. new substance b. physical change c. chemical change d. biological change 9. Rusting of iron is an example for ……………. a. physical changes b. chemical changes c. burning process d. all the previous answer
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C- What is meant by : 1. A physical change ………………………………………………………………………………………………………………………………………………………………………… 2. A chemical change ………………………………………………………………………………………………………………………………………………………………………… D- Write the scientific term : 1. A change in the appearance of matter without any change in its structure .
[ ]
2. A change in the structure of the substance that produce a new substance with
new properties . [ ]
3. A change occurs when a piece of sugar is burned . [ ]
4. A change occurs when iron reacts with oxygen and water . [ ]
E- Classify the change that occurs to physical or chemical change :-
1. The production of yoghurt from milk :…………………………..
2. The paper recycling :……………………………………………
3. A melting of chocolate bar :…………………………………….
4. Iron rusting : ……………………………………………………
5. Burning of candle : ……………………………………………
6. Burning of piece of sugar : …………………………………….
7. Dissolving of sugar in water :…………………………………..
8. Freezing of water :……………………………………………..
9. Making a chair from a piece of wood :………………………...
10. Burning a piece of wood . : ………………………………….
11. Fermentation of fruits and vegetable :……………………….
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Unit (2)
Lesson “1” Stars and Planets
I-Complete :- 1-Stars are ………… & ………….. bodies, their sizes are ……… … or …….
2-…………….. is a medium sized star.
3-There are ……………… planets revolve around the sun.
4-The moon looks bright & shiny, because it ……………. the sun light.
5-Planets revolve around the sun in ……….. path.
6-The space bodies that don’t emit light are ……………….. & ……………….
7-Solar system includes ………….. , …………….. , ………….. & ………
8-………….. are dark bodies revolving around the sun in fixed orbits.
9-………… is the biggest planet, while ………… is the smallest planet.
10-…………… is the nearest planet, while ……….. is the farthest planet.
11-………….. is a dark body that revolves around the Earth.
12-………….is the biggest planet in the solar system , while …………is the
biggest body in the solar system .
13-……………is the most beautiful planet in the solar system .
14- The planets revolve around ………….while moons revolve around …………
15- The sun is a …………while the Earth is a…………….
16- The nearest two planets to the sun are…………and ………….
17- The nearest two planets to the Earth are ………..and ………….
18-At night, the big stars in the sky look ……….because they are……….from us .
19- …………planet has coloured rings around it ,while live on ………planet .
20-Mars is known as …………planet while Neptune is called ………
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II-Choose from column (B) what is suitable for column (A) :
(A) (B)
1.The biggest body in the solar systems Is a- Jupiter
2. The smallest planet in the solar systems is b- Venus & Mars
3. The biggest planet in the solar systems is c- Saturn
4. The nearest two planet to the earth is d- Venues & Mercury 5. The second biggest planet in the solar System is e. Mercury
2 – Choose from column (B) what is a suitable for column (A) :
(A) (B)
- Mercury a- is a star
- Neptune b- is the planet which its conditions are suitable for life .
- The sun c. blue planet . - The Earth d- is the nearest planet to the sun . III-Write the scientific term:- 1- The sun & spaces bodies with it . [ ]
2- The biggest body in the solar system . [ ]
3- The smallest planet . [ ]
4- The 5th planet . [ ]
5- The nearest two planets to the earth. [ ]
6- A self shining body that emits heat and light. [ ]
7- The most beautiful planet . [ ]
8- The coldest planet in the solar system [ ]
9-The red planet [ ]
10- The planet that has coloured rings . [ ]
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IV-Choose:- 1-The nearest planet to the sun is ………… a) Venus b) Mercury c) Uranus d) Mars
2-…………….. is a dark body that reflect the sunlight. a) Planets b) Sun c) Moon d) Stars
3-The red planet is ………………… a) Jupiter b) Saturn c) Mars d) Earth
4-The biggest two planets are ……………… a) Neptune and earth b) Saturn and Venus c) Jupiter and Saturn d) Jupiter and mars
5-………………. is the most beautiful planet a) Mercury b) Venus c) Pluto d) Earth 6-The blue planet is ………….. a) Neptune b) Earth c) Mars d) Jupiter 7-The ………… is located at the center of Earth a) planets b) sun c) stars d) moon 8- We see the moon bright because ………… a) it absorbs sunlight b) it radiates light c) it lets light pass through d) it reflects sunlight 9- The smallest planet is ………… a) Mercury b) Earth c) Venus d)Jupiter 10- The sun bigger to us than the other stars because ………. a) it emits light and heat b) it is a hot burning body c) it is nearer to us d) it lies at the center of the solar system 11- The second biggest planet in the solar system is ………….. a) Mars b) Jupiter c) Earth d) Saturn 12- The sun is a star , because it ……………. a) absorbs light b) reflects light &heat c) radiates light d) let light pass through
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13- The number of stars in the solar system is …………
a) one b) two c) three d) nine
14- Saturn is characterized by having ……………
a)blue colour b) red soil
c) black rings d) coloured rings
15- The arrangement of planets according to their sizes is …….
a) Jupiter – Uranus – Earth – Saturn – Venus – Mars – Mercury – Neptune
b) Earth - Mercury – Mars – Jupiter – Neptune – Uranus – Saturn – Venus
c) Jupiter – Saturn – Uranus – Neptune – Earth – Venus – Mars – Mercury
d) Mercury – Venus – Earth – Mars – Jupiter – Saturn – Uranus – Neptune
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Lesson “2”
The movement of earth and sun 1- Complete:- 1-The Earth rotates around …………. & …………..
2- When the Earth rotates around its axis sequence of ………. & ……… occurs.
3-When the Earth rotates around the sun sequences of ……….. occurs .
4-The day time is longer than the night time in …………..
5-In ………… & ………….the day equals the night.
6-The sequence of the seasons of the year is occurred due to ………….
7-The sun seems moving from east to west because the earth……………
8-The Earth completes one rotation around the sun every ………….
9-The Earth completes one rotation around its axis every ………..
10-The movement of shadow is due to the rotation of ………. around …….. ….
11-The number of hours at day is not equal to the number of hours at night
because the ………………of the Earth is …………..
12-The phenomenon of ……….results from the rotation of Earth around its axis .
13-The day in the …………..season is longer than the day in the night .
14-When the northern hemisphere is near to the sun the season in Egypt is ………
15-The part of the Earth that faces the sun is in …………..while the part of Earth
that doesn't face the sun is in ……………
2- Write the scientific terms:- 1- The planet which we live on it [ ]
2- It’s formed once every 24 hours [ ]
3- It’s formed once every 365.25 days [ ]
4- Its formed when earth rotate around the sun [ ]
5- Its formed when earth rotate around its axis [ ]
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3- What would happen when :-
1. The earth rotates around the sun . ……………………………………………………………………………………. 2. The earth’s axis is inclined . ……………………………………………………………………………………. 3. The earth rolates around its axis day night . ……………………………………………………………………………………. 4- Choose:- 1- The Earth rotates around the sun once every ………… a) 365 .25 days b) 355.25 days c) 365.44days d) 44 days 2- The Earth rotates around ………….. a) The sun b) its axis c) the moon d) (a) & (b) 3- The Earth rotates around its axis once every …………. a) 13 hours b) 2 hours c) 24 hours d) 36 hours 4- The rotation of earth around its axis causes the ………. a) Sequence of four seasons b) day time only c) Night time only d) sequence of day and night 5- The day time is shorter than the night time in …………. a) summer b) winter c) spring d) all the previous 6-The earth's axis is ………… a) vertical b) inclined c) horizontal d) all the previous answers 7- The ………….rotate(s) around itself and around the sun . a)sun b) Earth c) star d) a ,b and c 8- The part of Earth that faces the sun ………… a) doesn't get light b) is darker than the other side c) is at day time d) is at night
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Lesson “3”
Movement of the moon I- Complete:- 1-The Earth revolves around the ……… while ………… revolve around the earth.
2-The moon revolves around ………. and …………
3-The moon rotates around the earth once every ……….. days.
4-There is an ……….. force between the earth with each of …... & …….
5-The moon needs ……… days to be full moon
6-The rise of water level occurs in ………. of the lunar month
7-The most effective space body in the tides and ebb phenomenon is ……...
8-The ………. revolves around the earth in ……….. path.
9-Water represents ………..of the earth’s surface .
10-…………and ………….are considered benefits of tide and the ebb.
11- The rotation of the moon around Earth causes …………
12- ………….is a satellite of the Earth .
13- The moon affects the Earth in some phenomena such as ……….and ……..
14- The moon phases begin with ……………
II-Choose:- 1- ………… is a natural phenomenon that can be used in generating electricity. a) Rising and ebb tides b) Water falls c) lunar year 2- The moon rotates around the Earth once every ……… a) 24 hours b) 44 days c) 28 days d) 29 days 3- The moon is …………. Body a) shiny b) dark c) blue d) green 4- We depend on tide and the ebb phenomenon in getting ………. a) heat b) electricity c) water d) food
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5- In the middle of the lunar month , the moon’s phase is ………. a) crescent b) full c) first quadrature d) new moon 6-The phases of moon is resulted from rotation of ………. a) earth around the sun b) earth around its axis c) moon around its axis d) moon around the earth 7- Water represents about …………of earth’s surface . a) 71% b) 10% c) 60% d) 81% 8- ………..is the satellite of the earth . a) Sun b) Jupiter c) Moon d) Mars III- Give reason for:- 1- The moon is a dark body although it appears bright in the sky. ……………………………………………………………………………….. ……………………………………………………………………………….. 2- Occurrence of the moon phases. …………………………………………………………………………….. ……………………………………………………………………………….. 3- The benefits of rising & ebb tides phenomenon. ……………………………………………………………………………….. …………………………………………………………………………….. IV- Write the scientific term:- 1- The returning back of water to its normal level. [ ]
2- The force between celestial bodies [ ]
3- The satellite of the earth [ ]
4- The rise of the water level in water surfaces to cover seashores
[ ]
5- The changes of the moon shapes [ ]
6- The phase of moon at which the tide is high [ ]
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Lesson “4”
The Gaseous envelope and the weather I-Complete:- 1-The atmosphere consists of gases such as ……...,…….,…….,…….&…….
2-Oxygen gas represents ………… of air volume.
3-Carbon dioxide gas represents ……………. of air volume.
4-The humidity of atmosphere depends on the presence of …………
5-Divers carry …………cylinder on their backs to help them in ……………under
Water surface .
6-…....... is the expected condition of the atmosphere in an area during a certain
period.
7-…………. is the expected temperature during day time .
8-Temperature is measured by …………. or ………….
9-Wind speed is measured by ……………
10-The air is a mixture of different …………….
11-The main source of oxygen gas is ………….during ………….process
12- ………..gas is used in the manufacture of ………….and fire extinguishing
equipment .
13-The most abundant two gases in air are ……………and …………
14-Lime water becomes ……….when ………gas passes through it .
15-We use ………..to test the presence of carbon dioxide gas in air .
16-…….gas represents 21% of air volume , while nitrogen gas represents …..%
17- ……..,……….,wind and ……..are the factors of the weather forecast .
18- …………….is used to measure temperature , while barometer is used to
measure ………………..
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19- The fisherman mustn’t sail during ………while car driver should slow down
during …………………..
20- …………….and ……………..of sea water form clouds .
II-Choose:- 1- ……………. gas is used in industry of nitrogenous fertilizers. a) Oxygen b) Carbon dioxide c) Water vapor d) Nitrogen 2- Carbon dioxide gas represents …………. of air volume a) 21% b) 76% c) 0.03% d)88% 3- ………… is used in measuring the atmospheric pressure. a) Anemometer b) Barometer c) Thermometer d) Vane 4- ………… is used in making soda water. a) Nitrogen b) Oxygen c) Carbon dioxide d) Water vapor 5- The anemometer is used for measuring …………… a) Temperature b) Wind speed c) atmospheric pressure 6- The two abundant gases in the atmosphere are ………………. a) Nitrogen & oxygen b) Carbon dioxide & nitrogen c) Nitrogen & water vapor d) Oxygen & water vapor 7- ………gas doesn’t burn and also doesn’t help in burning a) Carbon dioxide b) Nitrogen c) Oxygen d) Ammonia 8- Oxygen gas is necessary for ………. a) diving b) respiration c) combustion of fuel d)all the previous answers 9- Humidity of atmosphere depends on ………. a) nitrogen b) water vapour c) oxygen gas d) ammonia gas 10-…………is the temperature expected at daytime . a) Minimum temperature b) weather c) cloud d) Maximum temperature
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11-The air contains 78% of its volume ………..gas a) carbon dioxide b) nitrogen c) oxygen d)hydrogen 12- ………..is the temperature expected at night a) Maximum temperature b) weather c) cloud d) Minimum temperature 13- The wind speed is measured by ………. a) Anemometer b) wind vane c) barometer d) thermometer 3- Write the scientific term:- 1- An instrument used to measure the atmospheric pressure [ ]
2- The gas that represents 0.03% of air volume and causes the turbidity of lime
water [ ]
3- The gas which represents 78% of the air volume [ ]
4- An instrument used in measuring the direction of wind [ ]
5- The movement of the air from high atmospheric pressure to lower atmospheric
pressure [ ]
6- The expected temperature during the night time [ ]
4- What is the importance of the following :-
a) Oxygen gas : 1- …………………………… 2-…………………………… 3- …………………………… 4- ……………………………
b) Carbon dioxide : 1- …………………………… 2- …………………………… 3-……………………………
c) Nitrogen gas : 1- …………………………… 2- ……………………………
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Governorate Department : science Nozha Directorate of Education Form : 4th primary Nozha Language Schools Exam “Ismailia Road” Branch
1st Question :Complete the following : [ 5 mark ] 1- …………. is used for manufacturing bridges while …………………. is used in coins and
electric wires . 2- Neptune is called ……………. planet while Mars is known as ……….. planet . 3- Adding yeast in baking is ………….……. change but sweetening the water by sugar is
………………….. change . 4- ………………… is a liquid metal and …………… is a liquid non-metal . 5- Some elements have lustre such as ………………… while others don’t have such as
…………………………… . 2nd Question :A) Choose the correct answer : [ 5 mark ]
1- All the following are bad conductors of electricity except …………… [ sulpher – phosphurus – graphite – oxygen ]
2- Gold industries need ……………… process . [ melting – condensation – evaporation – Freezing ]
3- Comets and meteoroids are considered as ………………. [ moons – stars – planets – celestial bodies ]
4- All elements are different in properties except ………….. [ boiling point – electrical conductivity – inability for decomposition – thermal conductivity ] .
5- All the following are chemical change except ……………. [ explosion of fire works – burning of wood – formation of salty solution –
Rotten of fruits and their fermentation ] 6- Sun is a star because it …………….
[ absorbs light – reflects light – lets light pass through – radiates light ] B)
1- What happens to the wax ? …………………………………
2- Why ? …………………………………
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3rd Question : A) Write the scientific term : [ 5 marks ]
1- They are lightning bodies with different shapes in vacuum . [ ………………….] 2- The change in the appearance and structure of the substance to produce a new substance .
[ ………………….] 3- The simplest form of the matter that can’t be decomposed into two or more substances .
[ ………………….] B) Give reason for :
1- Stars seem very small in size . …………………………………………………………………………………. ………………………………………………………………………………….
2- Melting of wax is a physical change . …………………………………………………………………………………. ………………………………………………………………………………….
4th Question : Put ( √ ) or ( × ) and correct the wrong ones : [ 5 mark ]
1- Moon is a glowing body that rotates around the earth . [ ]
2- Metals are malleable and ductile so they can not be hammered or bent . [ ]
3- Grinding of sugar changes it into brown color and loses its sweety taste . [ ]
4- Saturn is the biggest body in the solar system . [ ]
5- Ductility of copper into wires changes its structure . [ ]
5th Question : [ 5 mark ] A) Choose from column ( B ) what is suitable for column ( A )
(A) (B) 1- Mercury 2- The sun 3- Uranus 4- The earth
a- Is a glowing body . b- The cold planet . c- The planet which conditions are suitable for life . d- Is the nearest planet to the sun .
B) Correct the following statements :
1- Condensation is a chemical change . ………………………………………………………………………………………………… 2- Planets revolve around the sun in variable orbits . ………………………………………………………………………………………………… 3- Burning paper can back again to it first state . …………………………………………………………………………………………………
Good Luck
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Cairo Governorate Department : science Nozha Directorate of Education Form : 4th primary Nozha Language Schools Exam “Ismailia Road” Branch
1st Question [3 marks ] Complete the following sentences :
1- Mars is know as the …………….. planet , while Neptune is called …………. Planet .
2- Melting is the change from ………….. state to ………… State by ……………… .
3- ………………. is the space occupied by a matter .
2nd Question [ 4 marks ] Choose the correct answer :
1- The litre is the unit for measuring .
[ length – volume – mass – distance ]
2- The change of matter from the liquid state into gaseous state is called …………….
[ melting – freezing – evaporation – dissolving ]
3- All of the following are chemical changes except .
[ iron rust – burning of Cola – formation of salty solution ]
4-The sequence of the day and the night is occurred due to ……………
[ revolution of the earth round the sun – rotation of the earth round its axis – rotation of
the sun around its axis ]
3rd Question [4 marks ] Put ( √ ) or ( × ) : 1- The earth emits light and reflects sunlight . ( ) 2- The nearest planet to the sun is mercury . ( ) 3- The sun seems as it moves from east to west . ( ) 4- Volume is the amount of matter in an object . ( )
4th Question [ 4 marks ] Choose from column ( B ) what is suitable for column ( A ) :
( A ) ( B ) 1- Mercury 2- Uranus 3- The sun 4- The earth
a- is a star . b- the cold planet
c- is the planet which conditions are suitable for life .
e- is the nearest planet to the sun . Good Luck
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Cairo Governorate Department : science Nozha Directorate of Education Form : 4th primary Nozha Language Schools Mid-Year Exam. 2010-2011 “Ismailia Road” Branch Time : 1 ½ hours
Question (1) :- A) Choose the correct answer : 1. All these matter have a definite volume and indefinite shape except ………. a- oil b- water c- oxygen d- alcohol 2. The sun and the eight planets around it are called …………… a- stars b- moons c- solar system d- planets 3. Physical change is a change in ………………………….. a- structure only b- structure and appearance
c- appearance only d- no correct answer 4. The school bag has …………………………………….. a- height only b- volume only c- mass only d- mass and volume B) Correct the underlined words : 1. We can see the phases of the moon due to its rotation around the sun .
2. At room temperature all metal are solids except aluminium which is a liquid .
3. Venus is the biggest planet .
4. Carbon is used in the manufacturing of status .
Question (2) :-
A) Complete the following statements :
1. …………. is the planet that has big number of rings while ……….. is the blue planet .
2. The suitable unit to measure the length of your pen is ……………….
3. Melting of chocolate is …………….. change while burning of a fuel is a …….. change .
4. The earth rotates around its axis in …….…. hours .
5. The coin is a ……………….. conductor of heat but sulphur is a …….…….. conductor
of electricity . B) Give reason for : 1. Carbon dioxide is an important gas . ……………………………………………………………………………….. ……………………………………………………………………………….. 2. The stars seem very small in size . ……………………………………………………………………………….. ………………………………………………………………………………..
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Question (3):- A) Write the scientific term :
1. A change that forms a new substance differs from the original one [ ……….…..……...]
2. It is formed due to the rotation of the earth around the sun . [ ……….….………..]
3. The amount of the material that the object contains. [ ……………….…...]
4. A dark body that reflects the sun light to the earth . [ ……….………….. ] b) Choose from column (B) what is suitable for (A) :-
(A) (B)
1. Wind’s speed is measured by using .
2. Measuring unit of mass is .
3. Volume of a box is measured by using .
4. Temperature is measured by using .
a) Ruler
b) Thermometer .
c) Anemometer .
d) Kg or gm
Question (4) :- A) Put ( √ ) or ( × ) : 1. The day in summer is shorter than that of the night . [ ] 2. If the ice cream heats , it becomes a solid . [ ] 3. The tide is returning back of water to its normal limit . [ ] 4. Gibbous is one of the moon’s phases . [ ] B) Give one use ( or importance ) for each of the following :- 1. Parometer : ……………………………..………………………………….……….
2. Iron metal : ………………………………………………………………………….
3. Common balance : ………………………………………………………………….
4. Oxygen gas : ………………………………………………………………………..
Good Luck
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Questions ( 1 ):-
A) Complete the following statements:-
1- The measuring unit for the length of a table is …………………
2- ……………….. is a liquid metal while ……………….. is a liquid non-metal.
3- Matter can be pressed in case of ………………… state.
B) Match from column ( B ) what is suitable for column ( A ):-
( A ) ( B )
1- They are not malleable or ductile.
2- Used to measure the volume of liquids.
3- The change of matter from liquid state to solid state.
4- Measuring unit of mass.
a- freezing
b- gm
c- graduated cylinder
d- non-metals
Question ( 2 ):-
A) Write the scientific term:-
1- The state of matter that has a definite volume and takes the shape of its container.
[ ……………………………… ]
2- The simplest form of matter that can't be decomposed into two or more substances.
[ ……………………………… ]
3- The space occupied by an object. [ ……………………………… ]
4- Elements that can be hammered and bent. [ ……………………………… ]
B) Correct the underlined words:-
1- Graphite is used in manufacturing of cooking pots and foil paper.
2- Changing the water vapour into water is called melting.
3- 2 liters of oil = 100 cm
4- Oxygen is a good conductor of heat.
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Cairo Governorate Nozha Directorate of Education
Nozha Language Schools Ismailia Road
Subject: Sُcience Form : 4th Prim.
Mid Term Exam. 2011-2012
/..........................................اسم التلميذ
Class
Serial
/ 10 M
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Question ( 3 ):-
A) Choose the correct answer:-
1- The electric wires are made of ……………………
a) coal b) sulpher c) copper d) phosphorus
2- The science book has ………………………….
a) mass only b) height only c) volume only d) mass and volume
3- Iron exists at the room temperature in …………………..
a) 1 state b) 2 states c) 3 states d) all the previous
4- Evaporation of water into water vapour is accompanied with …………………
a) an increase in mass b) decrease in mass
c) an increase in temperature d) decreases in temperature
Problem:-
When a piece of stone is put in a jar containing 40 cm3 of water, the water level raises up to 70
cm3 , calculate the volume of the stone.
……………………………………………………………………………………………………
…………………………………………………………………………………………
Question ( 4 ):-
A) Put ( √ ) or ( × ):-
1- All non-metals are bad conductor of electricity except carbon. ( )
2- 1 kg of copper equals 1 kg of wood. ( )
3- Kerosene is an example of gas state. ( )
4- Gold and silver have luster and low melting points. ( )
B) Look at the picture:-
1- The name of this tool is ……………….. 1- The name of this tool is ……………
2- It is used to measure …………………... 2- It is used to measure ……………….
Good Luck
/ 10 M
/ 10 M
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Cairo Governorate Department : science Nozha Directorate of Education Form : 4th primary Nozha Language Schools Mid-Year Exam. 2010-2011 “Ismailia Road” Branch Time : 1 ½ hours Question (1) :- A) Complete the following statements : 1. The phosphorus is ……………….……. conductor of electricity and the nail is a ………………….. conductor of heat . 2. ………………………… is nearest planet to the earth whereas …………… is the most beautiful planet . 3. The suitable unit to measure the mass of a golden ring is ………………. 4. ………………. is a dark body that rotates around the earth in …………. days . B) Correct the underlined words : 1. The ebb is the rising of water level to cover the seashores . 2. When the water vapour in air cools and freezes it forms clouds . 3. The sun and the eight planets that revolve around it are called stars . Question (2) :- A) Choose the correct answer : 1. The ………….. is formed due to the rotation of the earth around its axis . a- year b- week c- day d- month 2. All metals are solids at the room temperature except …………….. a- water b- mercury c- copper d- bromine 3. Chemical change is a change in ……………………….. a- appearance only b- structure only c- structure and appearance d- no correct answer 4. …………….. is one of the moon’s phases. a- Earth b- Asteroids b- Comets d- Gibbous B) Give one use ( or importance ) for each of the following : 1. Carbon dioxide gas . ……………………………………………………………………………….. ……………………………………………………………………………….. 2. Aluminium . ……………………………………………………………………………….. ……………………………………………………………………………….. 3. Sensitive balance . ……………………………………………………………………………….. ……………………………………………………………………………….. 4. Thermometer . ……………………………………………………………………………….. ………………………………………………………………………………..
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Question (3) :- A) Put ( √ ) or ( × ) : 1. Copper is used in manufacturing of car frames and bridges . [ ] 2. When the milk cools , it changes to solid . [ ] 3. The day in winter is longer than that of the night . [ ] 4. Iron rusting is a chemical change . [ ] B) Choose from column (B) what is suitable for column (A) :
(A) (B)
1. The length of a table is measured by
2. Wind’s direction is determined by using
3. The atmospheric pressure is measured by using
4. Measuring unit of volume is
5. The smallest form of matter that can’t be decomposed .
a) Parometer .
b) Cm 3 .
c) Vane .
d) Graduated Tape .
e) element .
Question (4) :- A) Write the scientific term : 1. A change in the appearance of the substance without any change in its structure . [ …………….….……...] 2. The biggest body in the solar system . [ ……….…….………...] 3. The space occupies by an object . [ ……………….............] 4. A gas that used in the industry of ammonia and fertilizers . [ …………………..….. ] B) Give reason for : 1. The sequence of the four seasons . ……………………………………………………………………………….. ……………………………………………………………………………….. 2. The rubber has a definite mass and volume . ……………………………………………………………………………….. ………………………………………………………………………………..
Good Luck
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