interpreting data

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INTERPRETING DATA SET 1 1. The figure shows apparatus used in an investigation. Steps: 1. Set up the apparatus as shown above. 2. Pushed the pendulum slowly. 3. Record the time taken for 20 swings. 4. Repeat the activities with the different length of strings. Results: Length of strings (cm) 10 20 30 40 50 Time taken for 20 swings (s) 8 16 24 32 40 a) What is the aim of this investigation? __________________________________________________ _________ __________________________________________________ _________ b) What is the trend in the time taken for 20 swings? __________________________________________________ _________ c) The number of swings depends on the length

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Page 1: Interpreting data

INTERPRETING DATA

SET 1

1. The figure shows apparatus used in an investigation.

Steps:1. Set up the apparatus as shown above.2. Pushed the pendulum slowly.3. Record the time taken for 20 swings.4. Repeat the activities with the different length of strings.

Results:Length of strings (cm) 10 20 30 40 50Time taken for 20 swings (s) 8 16 24 32 40

a) What is the aim of this investigation?______________________________________________________________________________________________________________________

b) What is the trend in the time taken for 20 swings?___________________________________________________________

c) The number of swings depends on the length of strings

i) What is the relationship between the two variable in the statement above? _____________________________________________________ _____________________________________________________

ii) What conclusion can be made based on the statement above? _____________________________________________________ _____________________________________________________

Page 2: Interpreting data

2. Diagram below shows an investigation carried out by Fiza. She puts three different sizes of sponge in three containers. Each container contains 500 ml water.

After 15 minutes, she recorded the volume of water left in the container. The result are shown in the table below.

Container P Q RVolume of water left / ml 400 250 100

a) What is the aim of the investigation? ___________________________________________________________ ___________________________________________________________

b) What is the trend of change in the volume of water left?___________________________________________________________

c) State the relationship between the size of sponge and the volume of water absorb by the sponge.______________________________________________________________________________________________________________________

d) What conclusion can you make based on the table above?______________________________________________________________________________________________________________________

500 mlwater

500 mlwater

Container P Container Q Container R

Page 3: Interpreting data

3. The table below shows the mass of sugar dissolved in the water.

Temperature of water /o C Mass of sugar dissolved / g35 2545 5055 7565 10075 125

a) What is the trend in the mass of sugar dissolved?__________________________________________________________

b) What is the relationship between the two variables in the table?____________________________________________________________________________________________________________________

c) The time taken for the sugar to dissolve depends on the volume of water used.

i) Write the aim of investigation based on the statement above. ____________________________________________________ ____________________________________________________

ii) What conclusion can be made based on the statement above? ____________________________________________________ ____________________________________________________

Page 4: Interpreting data

4. The graph below shows the observation of an experiment conducted by a group of

pupils.

a) What is the pattern in the number of flower grown?__________________________________________________________

b) What is the purpose of the experiment above?____________________________________________________________________________________________________________________

c) What is the relationship between the two factors recorded in the experiment?____________________________________________________________________________________________________________________

d) What conclusion can you make based on the experiment above?____________________________________________________________________________________________________________________

10 15 20 25 30 35

3

15

12

9

6

Amout offertilizer / g

Number of flower

Page 5: Interpreting data

INTERPRETING DATA

SET 2

1. The table below shows an observation of an experiment conducted by Arif.

a) State the purpose of the experiment above.____________________________________________________________________________________________________________________

b) What is the pattern of the temperature shown?_________________________________________________________

c) State the relationship between the time taken and the temperature of liquid S.____________________________________________________________________________________________________________________

d) What can be concluded from this experiment?____________________________________________________________________________________________________________________

Time / minutes 0 5 10 15 20 25 30Temperature of liquid X / o C 25 31 42 55 68 75 82

Page 6: Interpreting data

2. An investigation was carried out by a group of pupils in 5 Jauhari.

a) What do they want to find out?__________________________________________________________________________________________________________________

b) What is the trend in the size of shadow?____________________________________________________________________________________________________________________

c) What is the relationship between the two factors recorded in the experiment?____________________________________________________________________________________________________________________

d) What conclusion can you make based on the experiment above?____________________________________________________________________________________________________________________

Distance

Distance

Torchlight

Torchlight Ball

Ball

ScreenShadow

Page 7: Interpreting data

3. The table below shows the weight of squid that has been caught in one month

Phase of moon

Weight of squid caught / kg

30 100 250 300

a) What is the purpose can made based on the table?______________________________________________________________________________________________________________________

b) What is the trend in the weight of squid caught?__________________________________________________________

c) State the relationship between the size of moon and the weight of squid caught.____________________________________________________________________________________________________________________

d) What conclusion can be made based on the table?____________________________________________________________________________________________________________________

Page 8: Interpreting data

4. A group of pupils carried out an experiment to find out if microorganisms can grow. They sprinkled three pieces of bread with different amount of water. The figure below shows the results after two weeks.

a) What is the aim of the investigation?____________________________________________________________________________________________________________________

b) Describe the changes in the size of black patches on the bread.__________________________________________________________

c) State the relationship between the amount of water sprinkle and the size of black patches.____________________________________________________________________________________________________________________

d) What can be concluded through this experiment?____________________________________________________________________________________________________________________

black patches black patches

5 drops water

15 drops water

25 drops water

Page 9: Interpreting data

INTERPRETING DATA

SET 3

1. The graph below shows the observation of an experiment conducted by a group of

pupils.

a) What is the pattern in the distance of the ball?__________________________________________________________

b) What is the purpose of the experiment above?____________________________________________________________________________________________________________________

c) What is the relationship between the two factors recorded in the experiment?____________________________________________________________________________________________________________________

d) What conclusion can you make based on the experiment above?____________________________________________________________________________________________________________________

The type ofsurface

The distance of the ball / cm

Carpet Sandpaper Glass

16

30

65

Page 10: Interpreting data

2. The table below shows the number of elephants in forest Y from year 2000 to year 2005.

a) What is the purpose can made based on the table?______________________________________________________________________________________________________________________

b) What is the trend in the number of elephants?__________________________________________________________

c) State the relationship between the two factors in this investigation.____________________________________________________________________________________________________________________

d) What conclusion can be made based on the table?____________________________________________________________________________________________________________________

Area of forest Y / km2 3000 2500 2200 1800 1500 1000Number of elephants 300 270 240 210 180 150

Page 11: Interpreting data

3. The diagram below shows an investigation carried out by Arash.

Container E Container F

Table below shows the results of the investigation.

Container Height of young plants / cmE 11F 23

a) What is the change in the height of young plants?______________________________________________________________________________________________________________________

b) What is aim of this investigation?__________________________________________________________

c) Make a conclusion for this investigation..____________________________________________________________________________________________________________________

d) The amount of water can affect the size of young plant

What hypothesis can be made from the statement?____________________________________________________________________________________________________________________

Page 12: Interpreting data

4. Diagram below shows an investigation carried out by Arissa. Three circuits with different number of batteries are used in this investigation.

Table below shows the brightness of the bulb in each circuits.

a) What is the purpose of this investigation?______________________________________________________________________________________________________________________

b) What is the trend in the brightness of bulbs?__________________________________________________________

c) State the relationship between the number of batteries used and the brightness of the bulbs.____________________________________________________________________________________________________________________

d) What conclusion can you made from this investigation?____________________________________________________________________________________________________________________

Number of batteries 1 2 3Brightness of bulbs Dim Bright Very bright

Page 13: Interpreting data

ANSWER KEY

SET 1

QUESTION ANSWER1 a) To investigate the relationship between the length of strings

and the time taken for 20 swings.b) Increasec) The longer the length of strings, the less number of 20 swings.d) If the lengths of strings increase, the number of 20 swings

increase.2 a) To find out the relationship between the size of sponge and

the volume of water left.b) Decreasec) The bigger the size of sponge, the more volume of water

absorb by the sponge.d) If the sizes of sponge increase, the volume of water left

decrease.3 a) Increase

b) The higher the temperature of water, the more mass of sugar dissolves.

c) To study the relationship between the volume of water and the time taken for the sugar to dissolves.

d) If the volumes of water increase, the time taken for the sugar to dissolves decrease.

4 a) Increase b) To investigate the relationship between the amount of

fertilizer and the number of flower.c) The more amount of fertilizer, the more number of flowers.d) If the amounts of fertilizer increase, the number of flowers

increase.

Page 14: Interpreting data

SET 2

QUESTION ANSWER1 a) To find out the relationship between the time and the

temperature of liquid X.b) Increasec) If the time taken increase, the temperature of liquid X

increase.d) As the time taken increase, the temperature of liquid X

increase.2 a) To find out the relationship between the distance of ball from

light source and the size of the shadow.b) Decreasec) The longer the distance of ball from light source, the smaller

the size of shadow.d) If the distances of ball from the light source increases, the

sizes of shadow decrease.3 a) To study the relationship between the size of moon and the

weight of squid caught.b) Increasec) The bigger the size of moon, the more weight of squid caught.d) If the sizes of moon increase, the weight of squid caught

increase.4 a) To investigate the relationship between the amount of water

sprinkled and the sizes of black patches.b) Increasec) The more amount of water sprinkle, the bigger the size of

black patches.d) If the amounts of water sprinkled increase, the size of black

patches increase.

Page 15: Interpreting data

SET 3

QUESTION ANSWER1 a) Increase

b) To investigate the relationship between the type of surface and the distance of the ball.

c) The smoother the surface, the longer the distance of the ball.d) If the surface smooth, the distance of the ball increases

2 a) To study the relationship between the area of forest and the number of elephant.

b) Decreasec) The lesser the area of forest, the lesser the number of

elephant.d) As the area of forest decrease, the number of elephants

increases.3 a) Increase

b) To investigate the relationship between the number of young plant and the height of young plant.

c) If the numbers of young plant decrease, the heights of young plants increase.

d) The more amount of water, the bigger size of young plant.4 a) To find out the relationship between the number of batteries

and the brightness of bulbs.b) Increasec) The more the numbers of batteries, the more brightness of the

bulb.d) If the numbers of batteries increase, the brightness of the

bulbs increases.