grade2 1st q science-answer key

8/14/2019 Grade2 1st q Science-Answer Key

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GRADE2_1st Q_SCIENCE

I. WHAT IS SCIENCE/ THE SCIENTIFIC METHOD

DIRECTIONS: Write the correct answer on the blanks. Choose from

the given words.

Temporary Answer tasting Conclusionscientific method Science touchingsenses observer Findings

1. __Science________ is the study of the world around us.

2. A scientist finds answers to problems by using the___scientific method_____.

3. Being a good _observer___ is a good step to being a scientist.

4. __Temporary Answer___ is the step of the scientific method whereyou give a possible answer to the problem.

5. __Findings_______ is the step in the scientific method where yourecord the results of your experiment.

6. Making observations requires the use of our ___senses____.

7-8. Our five senses are seeing, hearing, smelling____tasting________ and _____touching_____.

FLOATERS OR SINKERS. Write the objects in their proper columns.

hammer paper plastic plate 5 peso coinrubber band feather gold watch cellphone

cork pencilFLOATER SINKER

Plastic plate Hammer Rubber band Gold watchCork 5 peso coinPaper cellphoneFeatherPencil


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II. THE FIVE SENSES

A. DIRECTIONS: We have learned that we can use our body partsto observe different things. Which parts of your body will you use to

observe the objects in Column 1? Write a under the column of thecorrect part/s.

Column 1 EYES EARS NOSE TONGUE HANDSalcogel Map orange Cake Tissue marble

Piano Rattle Poster

B. DIRECTIONS: Which sensory organ will you use in making thefollowing observations? Write only the letter of your answer on theblank. You may repeat an answer.

a. eyes b. ears c. nose d. tongue e. skin/hands

__e___ 1. My leg is itchy.

__a___ 2. The car is big and black.

__b___ 3. The dogs are barking loudly.

__d___ 4. The candy is sour.

__c___ 5. The roses are fragrant.

__b___ 6. The jeeps are noisy.

__e___ 7. Snow is cold and powdery.

__d___ 8. Coke Light is very sweet.

__c___ 9. The dead rat stinks.

__a___ 10. The postcard is colorful and shiny.

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C. DIRECTIONS. Look at the following pictures. What sense orsenses is/are being used for safety?

1. ___seeing / hearing___

2. ____smelling / seeing/ touching__

3. ___hearing / seeing____

4. ____touching____________(hot pan)

5. ____touching/ hearing__(earthquake)

6. ___seeing / hearing___

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III. GROWTH AND DEVELOPMENT

DIRECTIONS: Write T if the sentence is true and F if it is not.

__F___ 1. Increase in height is a sign of mental change.

__T___ 2. When he was 3 years old, Gabby always wantedto be with his parents. Now, at 8 years old, Gabbywants to play at his friend Karlos house. This is asign of mental change.

__T___ 3. When we get taller, our bones grow.

__T___ 4. Having permanent teeth is a sign of physicalchange.

__F___ 5. Kevin used to like playing with Power Rangersaction figures. Now he would rather play the guitar.This is a sign of physical change.

__T___ 6. Gaining 3 kilograms every year is a sign of physicalchange.

DIRECTIONS: Write the letter of the correct answer.

Jareds Growth ChartAge Weight Height4 years old 15 kg 110 cm5 years old 18 kg 111 cm6 years old 20 kg 111 cm7 years old 23 kg 113 cm

__B___ 1. What does the chart show?A. Jared is learning new things.B. Jared is physically growing.

C. Jared is losing weight.

__B___ 2. At what ages did Jareds height remain the same?A. 4 and 5 years oldB. 5 and 6 years oldC. 6 and 7 years old

__A___ 3. What is the difference in Jareds weight when hewas 4 years old and when he was 7 years old?A. 8 kg

B. 7 kgC. 5 kg

__B___ 4. At what ages did Jareds height remain the same?A. 4 and 5 years oldB. 5 and 6 years oldC. 6 and 7 years old

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DIRECTIONS: Answer the following questions based on the chart.

Name Weight HeightRegina 15 kg 110 cm

Paolo 28 kg 114 cmBen 20 kg 112 cm

Dennis 32 kg 119 cm

_Dennis_ 1. Who is the heaviest?

_Regina_ 2. Who is the probably the youngest?

_8 kg___ 3. By how many kg is Paolo heavier than Ben?

_7 cm___ 4. How much taller is Dennis than Ben?

_Ben____ 5. Who is the shortest boy?

IV. WHAT DO YOU NEED FOR GOOD HEALTH/ FACTORS THATAFFECT GROWTH

DIRECTIONS: Write T if the sentence shows a good health habitand F if it is not.

_T____ 1. Fr. Fermin goes jogging for 30 minutes every day.

_F____ 2. Cobbie eats tocino and bacon every week.

_T____ 3. Marita goes to sleep at 8 pm every night.

_T____ 4. Gary drinks lots of water everyday.

_F____ 5. Vince spends his afternoons watching TV.

_T____ 6. Julia eats lots of fruits and vegetables.

_F____ 7. Rodney stays up late each night playing PS2.

_F____ 8. Jacob eats chips, candies and chocolates as snacks.

_T____ 9. During recess, Ash and Brock run around theplayground playing tag.

_F____ 10. Rico takes a bath every other day.

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grade2 1st q science-answer key

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