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Worksheets

What Changes Do Materials Undergo

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

The candles melted by the application of heat. What change took place when solid candles became liquid?

a)

chemical

b)

mechanical

c)

no change

d)

physical

2.

Joram noticed that when he mopped the floor using wet rugs, the moist in the floor disappeared after few minutes. What is the reason why the floor became dry?

a)

presence of heat

b)

absence of heat

c)

presence of water

d)

absence of temperature

3.

What causes the rusting of iron nails or iron made materials in a wet cloth?

a)

presence of heat

b)

absence of heat

c)

presence of oxygen

d)

absence of oxygen

4.

What change will happen to the slices of potato if they will be exposed to oxygen in the air?

a)

Color will change from brown to white

b)

Color will change from white to brown

c)

The color will not change

d)

No changes in color

5.

Which form of matter fills the space like it has in the balloon?

a)

liquid

b)

gas

c)

solid

6.

Which form of matter take the shape of a container like this juice?

a)

liquid

b)

solid

c)

gas

7.

The image shows how to make fruit popsicles. How can we make the popsicles become solid?

a)

Melt them

b)

Boil them

c)

Freeze them

d)

Dry them

8.

The process of a solid changing directly into a gas is called

a)

sublimation

b)

evaporation

c)

freezing

d)

condensation

9.

The steam from boiling water is the ______ state.

a)

Solid

b)

Liquid

c)

Gas

10.

A puddle of water dries up after some time. What process has taken place?

a)

melting

b)

freezing

c)

evaporation

d)

sublimation

11.

How can you make liquid water become a solid?

a)

Put the water in a very cold place.

b)

Heat the water on the stove.

c)

Shake the water container very fast.

d)

Add a lot of salt to the water.

12.

Snow turns to liquid water when it _________.

a)

freezes

b)

evaporates

c)

melts

13.

Jenny mixes an amount of lemon juice with an amount of mayonnaise.

a)

Chemical change

b)

Physical change

14.

Mildred hangs her washed laundry on the cloth hook

a)

chemical change

b)

physical change

15.

The shoes of Nathan are well protected from insects because of the naphthalene balls in his closet

a)

chemical change

b)

physical change

16.

The cake shop bakes the best-selling gelatin in the city

a)

chemical change

b)

physical change

17.

Every December, the cooking oil in Mang Nicasio's store freezes.

a)

chemical change

b)

physical change

18.

In the following morning, Myrna saw the spoiling food she forgot to store in her refrigerator last night.

a)

chemical change

b)

physical change

19.

Mang Boy works in an ice cream shop. To preserve the freezing temperature of the ice cream, he always places it in a special container full of frozen ice.

a)

chemical change

b)

physical change

20.

Every weekend, John goes to a smoky hot spring in Laguna to relax.

a)

chemical change

b)

physical change