30_air temperature reading.pdf

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    ModifiedInSchoolOffSchoolApproachModules(MISOSA)

    DistanceEducationforElementarySchools

    SELFINSTRUCTIONALMATERIALS

    AIRTEMPERATUREREADING

    DepartmentofEducation

    BUREAUOF

    ELEMENTARY

    EDUCATION

    2ndFloorBonifacioBuilding

    DepEdComplex,MeralcoAvenue

    PasigCity

    S

    C

    I

    E

    N

    C

    E

    4

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    Revised2010

    bytheLearningResourceManagementandDevelopmentSystem(LRMDS),

    DepEd DivisionofNegrosOccidental

    undertheStrengtheningtheImplementationofBasicEducation

    inSelectedProvincesintheVisayas(STRIVE).

    Thiseditionhasbeenrevisedwithpermissionforonlinedistribution

    throughtheLearningResourceManagementDevelopmentSystem(LRMDS)Portal

    (http://lrmds.deped.gov.ph/)underProjectSTRIVEforBESRA,aprojectsupported

    byAusAID.

    Section 9 of Presidential Decree No. 49 provides:

    No copyright shall subsist in any work of theGovernment of the Republic of the Philippines. However,prior approval of the government agency or office whereinthe work is created shall be necessary for exploitation ofsuch work for profit .

    This material was originally produced by the Bureau of ElementaryEducation of the Department of Education, Republic of the Philippines.

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    1

    You have learned about weather symbols. Can you stil l remember them?Try doing the activity.

    A. Look at the weather symbols and their meanings.

    RAINY STORMY

    WINDY

    SUNNY CLOUDY

    At the end of this lesson, you wi ll able to :

    Record observations of the basic weather elements for a week

    air temperature.

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    2

    On sunny day, what do you feel? Is it the same for the whole day? Do theactivities and find out.

    o Copy the weather chart below in your notebook and draw the

    appropriate weather symbol for each day.

    January 27

    Monday

    January 28

    Tuesday

    January 30

    Wednesday

    January 30

    Thursday

    January 31

    Friday

    SUNNY CLOUDY WINDY RAINY STORMY

    B. Go out and observe the weather.Draw the kind of weather for today in your notebook.Write the meaning.

    ACITIVITY 1

    o Study the picture and answer the questions in your notebook.

    1. What is he doing?

    2. How does he feel?

    3. Why do you say so?

    1. What do you see in the picture?

    2. How does he feel?

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    3

    3. Why do you say so?

    ACTIVITY 2

    o You will need:

    Strips of cartolina

    Red crayon

    o Dot these:

    1. Make a cut the upper center

    of cartolina. Use a cutter.

    2. Draw 13 small lines with equal

    distances below the right

    corner of the cut.

    3. Copy the numbers as shown.

    4. Cut a smaller strip of cartolina

    with a circular shape bottom

    which would fit the cut of the

    first cartolina as shown in the

    illustration.

    5. Cut is so that its tip will reach

    the bottom of the 1st

    6. Color the bottom part of the

    cartolina.

    2nd strip with red as shown in the

    illustration.

    Sometimes the air is hot. At other times it is cold.

    The degree of hotness or coldness of air is called the air temperature.

    An air temperature is used to measure air temperature.

    Now youll learn how to measure air temperature.

    You will first be suing an air thermometer model.

    0

    5

    10

    15

    20

    25

    30

    35

    40

    4550

    55

    60

    strip of cartolina

    COLORED RED

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    4

    7. Fit it in the first strip of cartolina

    by inserting it into the cut in the

    upper portion of the 2nd

    o Now try using your improvised thermometer.

    cartolina.

    ACIVITY 3

    1. Move the red strip up and down. Do it five times.

    2. Take a reading.

    3. Record your readings in your notebook.

    First Reading _________

    Second Reading _________

    Third Reading _________

    Fourth Reading _________

    Fifth Reading _________

    4. Answer these questions in your notebook.

    a) What was your highest reading?

    b) What was your lowest reading?

    ACTIVITY 4

    o Get a real air thermometer.

    o

    Examine the thermometer carefully.o Note the marked lines and the numerals.

    o Note the colored column.

    An air thermometer is a device used to measure air

    temperature. It is expressed in degrees Celsius or

    Centigrade Scale ( ) or degrees Fahrenheit ( ). The

    highest point in the centigrade scales is 100 and the

    lowest point is 0 Fahrenheit scale is 212 and the lowest

    point is 32 .

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    5

    ACITVITY 5

    o Place an air thermometer on the wall inside the house.

    o Copy the table below in your notebook.

    Time 7:30 8:00 8:30 9:00 9:00 10:00 10:30 11:00 11:30 12:00

    Temperature

    Readings

    o Take temperature readings every 30 minutes.

    o Record your readings in your notebook.

    o Answ er the fol lowing questions on your notebook.

    1) What is the highest point of the temperature recorded?

    2) What is the lowest point of temperature recorded?3) At what time was the highest point recorded? Lowest point?

    4) Are there changes in the temperature readings?

    5) What do these changes in the temperature mean?

    ACITVITY 6

    o Your temperature reading may look l ike this, when presented in a bar

    graph. Study the graph below and answer the follow ing questions:

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    6

    0

    5

    10

    15

    20

    25

    30

    35

    7:30 8:00 8:30 9:00 9:30 10:00 10:30 11:00 11:30 12:00

    1. What was the highest temperature recorded? The lowest temperature?

    2. At what time was the highest temperature recorded?

    3. Are there changes in the temperature reading?

    4. What do these changes in the temperature mean?

    ACTIVITY 7

    o Place a thermometer on the wall outside the house. Make sure it is not

    under direct sunlight at any time of the day.

    o Copy the table in your notebook.

    Temperature Reading Chart

    Time Temperature ( )

    9:00 AM

    11:00

    1:00 PM

    3:00

    5:00

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    o Take temperature readings at the designated time.

    o Record your readings in your notebook.

    o Observe the position of the sun at the time you record the temperature.

    o Observe the changes in your temperature readings.

    o

    Do this for the whole week.o Draw a bar graph of the temperature readings you have obtained.

    Read and Learn More:

    WHAT IS TEMPERATURE?

    You observed that sometimes the air gets warm and at other times, it

    gets cold. The degree of hotness and coldness of air is called temperature.

    Temperature Changes During The Day

    An area gets hotter when it is heated by the sun and gets cool when the

    heat leaves the area. The coldest time of the 24-hour day is just before sunrise,

    after the Earth has been losing heat all night.

    Air temperature is measured by a device called air thermometer. It is

    expressed in degree Celsius or . A thermometer is a narrow glass tube

    containing mercury or colored alcohol. As the temperature increases, the mercury

    or alcohol expands and its level in the tube rises. The number corresponding to

    the liquids level is the temperature reading.

    Air temperature affects the weather conditions. During warm weather, the

    temperature rises. We say the temperature is high. During cooler days, the

    temperature sinks or drops. We say the temperature is low. The average air

    temperature is 19-32 . A temperature reading below 19 means it is cold. A

    temperature reading above 32 means it is warm.

    Air temperature changes from time to and from place to place.

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    8

    Do the following activities:

    ACTIVITY 1

    o Choose a shady p lace.

    o Look for a place where you can hang your thermometer.

    o Take thermometer readings every ten minutes.o Record your readings in a table in your notebook.

    o Make a graph of your temperature readings.

    Time Temperature

    I learned that:

    Temperature is the degree of hotness or coldness of air.

    Temperature is measured by an air thermometer.

    When measuring air temperature, take note of the height of the liquid

    inside the air thermometer.

    Air temperature changes from time to time.

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    ACTIVITY 2

    Choose a sunny place.

    Construct a structure so that you can hang your thermometer.Take readings every ten minutes.

    Record your readings in a table in your notebook.

    Make a graph of your temperature readings.

    ACTIVITY 3

    Your family is planning to go on a picnic. What is the best time you wi ll

    suggest to them? Explain.

    A. Get a thermometer. Measure the air temperature in the following.

    o closed cabinet

    o under the tree

    o inside the refrigerator

    o open area under the sun

    Record the different air temperature readings in your

    notebook.

    B. Draw a bar graph of the following air temperature readings recorded for the

    day.

    1. 5:00 am - 23 6. 12:00 pm 33

    2. 6:30 am -27 7. 3:00 pm 32

    3. 7:00 am -30 8. 3:30 pm 29

    4. 8:30 am -31 9. 4:20 pm 27

    5. 10:00 am -32 10.5:00 pm 22

    Congratulations for working diligently with this module. Try to share your

    experiences with your classmate and discuss with your teacher or elder

    brother or sister at home.