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Thermal Properties

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Internal energy consists of

a)

thermal energy and kinetic energy

b)

thermal energy and potential energy

c)

kinetic energy and potential energy

d)

thermal energy, kinetic energy and potential energy

2.

When a substance is heated from 25 oC to 50 oC,

a)

its kinetic energy decreases.

b)

its potential energy decreases.

c)

its kinetic energy increases.

d)

its potential energy increases.

3.

When a substance is cooled from 40 oC to 10 oC,

a)

its kinetic energy decreases.

b)

its potential energy decreases.

c)

its kinetic energy increases.

d)

its potential energy increases.

4.

When a substance is cooled from liquid to solid,

a)

its kinetic energy decreases.

b)

its potential energy decreases.

c)

its kinetic energy increases.

d)

its potential energy increases.

5.

When a substance is heated from liquid to gas,

a)

its kinetic energy decreases.

b)

its potential energy decreases.

c)

its kinetic energy increases.

d)

its potential energy increases.

6.

When a substance is freezing,

a)

its kinetic energy decreases.

b)

its potential energy decreases.

c)

its kinetic energy increases.

d)

its potential energy increases.

7.

When a substance is boiling,

a)

its kinetic energy decreases.

b)

its potential energy decreases.

c)

its kinetic energy increases.

d)

its potential energy increases.

8.

When a substance is melting,

a)

its kinetic energy decreases.

b)

its potential energy decreases.

c)

its kinetic energy increases.

d)

its potential energy increases.

9.

When a substance is condensing,

a)

its kinetic energy decreases.

b)

its potential energy decreases.

c)

its kinetic energy increases.

d)

its potential energy increases.

10.

When a substance is cooled from gas to liquid,

a)

both its potential energy and internal energy decrease.

b)

both its potential energy and internal energy increase.

c)

its potential energy increases but internal energy decreases.

d)

its potential energy decreases but internal energy increases

11.

When a substance is heated from liquid to gas,

a)

both its potential energy and internal energy decrease.

b)

both its potential energy and internal energy increase.

c)

its potential energy increases but internal energy decreases.

d)

its potential energy decreases but internal energy increases

12.

When the temperature of a liquid increases,

a)

both its kinetic energy and internal energy decrease.

b)

both its kinetic energy and internal energy increase.

c)

its kinetic energy increases but internal energy decreases.

d)

its kinetic energy decreases but internal energy increases

13.

When the temperature of a gas decreases,

a)

both its kinetic energy and internal energy decrease.

b)

both its kinetic energy and internal energy increase.

c)

its kinetic energy increases but internal energy decreases.

d)

its kinetic energy decreases but internal energy increases

14.

When the temperature of a solid decreases,

a)

both its kinetic energy and potential energy decrease.

b)

both its kinetic energy and potential energy increase.

c)

its kinetic energy increases but potential energy remains the same.

d)

its kinetic energy decreases but potential energy remains the same.

15.

When water becomes ice,

a)

its potential energy increases but kinetic energy remains the same.

b)

its potential energy decreases but kinetic energy remains the same.

c)

its kinetic energy increases but potential energy remains the same.

d)

its kinetic energy decreases but potential energy remains the same.