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Worksheets

Science 2nd Grade

Total questions: 100

Worksheet time: 3hrs 20mins

Name
Class
Date
1.

Which of the following object is square?

a)
b)
c)
d)
2.

Which of the following object is triangular?

a)
b)
c)
d)
3.

Which picture shows bending ?

a)
b)
c)
d)
4.

Which of the following object is circular?

a)
b)
c)
d)
5.

Look at the picture! What is he doing?

a)

A. He's bending the cloth.

b)

B. He is twisting the cloth.

c)

C. He is stretching the cloth.

d)

D. He is squashing the cloth.

6.

Look at the picture! What's she doing?

a)

A. She's bending the dough.

b)

B. She's twisting the dough.

c)

C. She's stretching the dough.

d)

D. She's squashing the dough.

7.

Look at the picture! What's he doing?

a)

A. He's bending the cloth.

b)

B. He's twisting the cloth.

c)

C. He's stretching the cloth.

d)

D. He's squashing the cloth.

8.

Look at the picture! The object that "cannot" be bend is ....

a)
b)
c)
d)
9.

Objects that can be bent are described as ...

a)

A. tough

b)

B. hard

c)

C. flexible

d)

D. soft

10.

When we want to make a lemonade ice, we need to ....

a)

A. stretch the lemon.

b)

B. heat the lemon.

c)

C. squeeze the lemon.

d)

D. freeze the lemon.

11.

Objects that return to their original shape after being stretched are ......

a)

A. elastic

b)

B. hard

c)

C. flexible

d)

D. soft

12.

As a chocolate melts, it changes from a .......... to a ..........

a)

A. liquid --> solid

b)

B. solid --> liquid

c)

C. liquid --> gas

d)

D. liquid --> milk

13.

Which of the following changes of matter were made by heating?

a)

A. Corn kettles into popcorn

b)

B. Juice made into juice pops

c)

C. Water into ice cubes

d)

D. Oranges into orange juice

14.

Which of the following changes of matter were made by cooling?

a)
b)
c)
d)
15.

Things that melt when they are put in warm or hot places are ...

a)

A. metal spoon, chocolate bar and cheese

b)

B. jelly, wooden spoon and butter

c)

C. chocolate bar, jelly and candle

d)

D. popsicle, butter, and glass

16.

Solid butter changes to liquid butter on .....

a)

A. cooling

b)

B. heating

c)

C. melting

d)

D. evaporating

17.

How does this water in the bottle look like after freezing it?

a)
b)
c)
d)
18.

These are heating process around us, EXCEPT .....

a)
b)
c)
d)
19.

Which of these materials is NOT dissolved in water?

a)
b)
c)
d)
20.

Which of these materials is dissolved in water?

a)
b)
c)
d)
21.

Write 5 (five) things that have circular shape.

4 lines
22.

Write 5 (five) materials that can melt when they are heated!

4 lines
23.

Write four forces to change the shape of materials with our hand!

4 lines
24.

When a solid changes to a liquid, we say it is ......

4 lines
25.

When salt is mixed with water, it disappears. This change is called .......

4 lines
26.

The doughnut is in _____ shape.

a)

Circle

b)

Triangle

c)

Square

d)

Rectangle

27.

The pizza is in _______ shape

a)

Circle

b)

Triangle

c)

Rectangle

d)

Square

28.

What can we do with plasticine?

a)

bend

b)

twist

c)

squash

d)

stretch

e)

all are correct.

29.

What can we do with a brick?

a)

twist

b)

bend

c)

squash

d)

stretch

e)

None are correct

30.

Why can't we change shape of a brick easily?

a)

Because it's hard

b)

Because it's soft.

31.

Why can we change the shape of plasticine easily?

a)

Because plasticine is soft.

b)

Because plasticine is hard.

32.

Name a way to make materials change shape starting with:

Sq (a)  

33.

Name a way to make materials change shape starting with:

Be (a)  

34.

Name a way to make materials change shape starting with:

Tw (a)  

35.

Name a way to make materials change shape starting with:

St (a)  

36.

The student is ________________ the ruler

a)

squashing

b)

bending

c)

twisting

d)

stretching

37.

The student is ________________ the rubber band

a)

squashing

b)

bending

c)

twisting

d)

stretching

38.

The student is ________________ the clothes to dry

a)

squashing

b)

bending

c)

twisting

d)

stretching

39.

The student is ________________ the sponge

a)

squashing

b)

bending

c)

twisting

d)

stretching

40.

The student is ________________ the metal to make a horseshoe shape

a)

squashing

b)

bending

c)

twisting

d)

stretching

41.

Wood

a)

dissolves in water

b)

doesn't dissolves in water

42.

Sugar

a)

dissolves in water

b)

doesn't dissolves in water

43.

Lego character

a)

Solid

b)

Liquid

c)

Gas

44.

Juice

a)

Solid

b)

Liquid

c)

Gas

45.

How can we change the chocolate from solid to liquid ?

a)

By cooling

b)

By heating

46.

How can we turn the liquid water into solid ice ?

a)

By Cooling

b)

By heating

47.

Which of the following changes of matter were made by cooling?

a)

juice made into juice pops

b)

corn kettles into popcorn

c)

oranges into orange juice

d)

water into ice cubes

48.
Cooking a marshmallow on a fire is an example of __________.
a)
cooling
b)
heating
c)
freezing
d)
melting
49.
Warming up butter with a heater is an example of _______.
a)
cooling
b)
melting
c)
freezing
d)
none of the above
50.

When an ice cube melts,..

a)

It changes from a solid to a liquid.

b)

It changes from a solid to a gas.

51.

Melted butter can become solid again with freezing.

a)

True.

b)

False.

52.

What happens when you take ice cubes out of the freezer?

a)

They will melt.

b)

They will burn.

53.

Melting, cooking, and burning are

a)

Actions of cooling.

b)

Actions of heating.

54.

When heating up a stick of butter, what state of matter does it become?

a)

liquid

b)

solid

c)

gas

d)

none of the above

55.

The process by which a solid changes to a liquid....

a)

Freezing

b)

Melting

c)

Boiling

56.

The process by which a liquid changes to a gas at the liquid's surface....

a)

Boiling

b)

Freezing

c)

Melting

57.

The process by which a liquid turns to a solid....

a)

Freezing

b)

Boiling

c)

Melting

58.

Putting water in an ice cube tray and placing the tray in the freezer will cause....

a)

The water to freeze

b)

The water to melt

c)

The water to boiling

59.

The addition of heat to ice cream will cause....

a)

Melting

b)

Freezing

c)

Boiling

60.

What is the picture showing?

a)

An ice cube melting

b)

Freezing

c)

All of the above

61.

Can this melt?

a)

No

b)

Yes

c)

Maybe

62.

What is happening at the boiling point?

a)

Liquid to gas

b)

Liquid to solid

c)

Gas to liquid

63.

What is happening at water melting point?

a)

Liquid to gas

b)

Solid to liquid

c)

Liquid to soild

64.

The process by which a liquid changes to a solid.

a)

Boiling

b)

Melting

c)

Freezing

65.

All materials dissolve in water

a)

True

b)

False

66.

Sugar dissolves in water

a)

True

b)

False

67.

Oil dissolves in water

a)

True

b)

False

68.

Sand does not dissolve in water

a)

True

b)

False

69.

Salt does not dissolve in water

a)

True

b)

False

70.

Gold and Silver dissolve in water

a)

True

b)

False

71.

When a material spreads out in water we say it has dissolved.

a)

True

b)

False

72.

Some substances ........................... when you mix them with water.

a)

squash

b)

dissolve

c)

heat

73.

What is melting?

a)

a change from liquid to solid

b)

a change of smell

c)

a change from solid to liquid

d)

a change of amount of solute

74.

Dissolved in Bahasa means .........

a)

tidak larut

b)

larut

c)

padat

75.

Choose 2 materials that can dissolved in the water !

a)

sugar

b)

tea leaf

c)

food coloring powder

76.

Choose 2 materials that can not dissolved in the water !

a)

sugar

b)

tea leaf

c)

flour

77.

Didi wants to make a glass of tea. To make it sweet, Didi should add .............

a)

sugar

b)

salt

c)

coffee powder

78.

My mother wants to cook. To make the food salty, She needs to add ..........

a)

sugar

b)

salt

c)

coffee powder

79.

The salt is ................... in the water.

a)

dissolved

b)

undissolved

80.

Coffee powder is ................. in the water.

a)

dissolved

b)

undissolved

81.

Lala mixed the water with food coloring powder. To see the result, She should ............

a)

stir the solution

b)

pour more water

c)

add sugar

82.

We can not dissolved in the water

a)
b)
c)
83.

You can squash this dishwashing sponge.

a)

True

b)

False

84.

You can ______ this ruler.

a)

Stretch

b)

Squash

c)

Bend

85.

Chocolate will not change shape if we melted.

a)

True

b)

False

86.

Choose the objects you can stretch.

a)
b)
c)
d)
87.

This rope is ______.

a)

Bending

b)

Squashing

c)

Twisting

d)

Stretching

88.

This ball will return to its original shape after squashing.

a)

True

b)

False

89.

Which one will change the shape after freezing?

a)
b)
c)
d)
90.

Butter will not change shape after heating.

a)

True

b)

False

91.

You cannot _____ this steel bar with your hand.

a)

Squash

b)

Bend

c)

Stretch

92.

Metals can only melt at a very high temperature.

a)

True

b)

False

93.

Which materials can you stretch?

a)
b)
c)
d)
94.

We can stretch a pencil.

a)

True

b)

False

95.

An elastic band can be made longer by?

a)

Bending

b)

Squashing

c)

Stretching

d)

Twisting

96.

How has the shape of this object been changed?

a)

It has been stretched

b)

It has been squashed

c)

It has been twisted

d)

It has been bent

97.

How has the shape been changed?

a)

Bending

b)

Squashing

c)

Stretching

d)

Twisting

98.

How has the shape been changed?

a)

Bending

b)

Squashing

c)

Stretching

d)

Twisting

99.

Which of them cannot be stretched?

a)

Rubber band

b)

Paper

c)

Socks

d)

Modelling clay

100.

Which of them are flexible or easy to bend?

a)

Metal pen

b)

Plastic ruler

c)

Wooden