Changes around us - Assessment

1.

Multiple Choice

30 sec

1 pt

Give an example of physical change

kicking a football

burning a paper

growth of animals and plants

cooking

2.

Multiple Choice

30 sec

1 pt

What is a reversible change?

a change that cannot be reversed

a change that can be reversed

I don't know

a change where a new substance is formed

3.

Multiple Choice

30 sec

1 pt

Melting of a popsicle is a reversible change

true

false

4.

Multiple Choice

30 sec

1 pt

Which of these is NOT a reversible change?

Water to Ice

Juice to Popsicle

Cookie Dough to Cookie

Melting Chocolate

5.

Multiple Choice

30 sec

1 pt

Changing liquid to a gas is called

evaporation

condensation

melting

freezing

6.

Multiple Choice

30 sec

1 pt

What is happening in the statement below?
The ice cube melted.

Matter is changing from a liquid to a solid.

Matter is changing from a liquid to a gas.

Matter is changing from a solid to a liquid.

Matter is changing from a gas to a liquid.

7.

Multiple Choice

30 sec

1 pt

The picture shows an example of a ______________ change.

reversible

freezing

irreversible

all of the above

8.

Multiple Choice

30 sec

1 pt

When heat is added to a solid, it ______________.

freezes

evaporates

melts

condenses

9.

Multiple Choice

3 mins

1 pt

One cup of water is left outside for two days when it was checked there was only half a cup left. What happened?

sublimation

condensation

evaporation

distillation

10.

Multiple Choice

30 sec

1 pt

Freezing juice is an example of a(n) ________

irreversible change

reversible change

11.

Multiple Select

30 sec

1 pt

Reversible Change

Irreversible Change

Both options are correct

None of the above

12.

Multiple Choice

30 sec

1 pt

A teacher wants to show clear difference between reversible and irreversible changes, which one of the following will be suitable for the same

boiling of milk and freezing it

Boiling milk and making paneer

melting ice and freezing it

13.

Multiple Select

30 sec

1 pt

Folding of paper is a ____________ change while burning it is a _____________ change.

reversible , reversible

reversible, irreversible

irreversible, reversible

14.

Multiple Choice

30 sec

1 pt

Which one of the following is a beneficial change?

rusting of iron object

spoilage of food

ripening of fruit

souring of milk

15.

Multiple Choice

30 sec

1 pt

The iron blade of a soil digging tool is fixed to a wooden handle by the process of ______________.

melting

contraction

expansion

freezing

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