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Grade 7 Mid-Term Review WS

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

a)

graph 1 only

b)

graph 2 only

c)

both graphs

d)

neither graphs

2.

a)

A

b)

B

c)

C

d)

D

3.

Which energy source is used in a nuclear power station?

a)

oil

b)

hydrogen

c)

natural gas

d)

uranium

4.
a)

0.42 g/cm3

b)

0.83 g/cm3

c)

1.2 g/cm3

d)

2.4 g/cm3

5.

a)

A

b)

B

c)

C

d)

D

6.

a)

A

b)

B

c)

C

d)

D

7.

a)

A

b)

B

c)

C

d)

D

8.

a)

A

b)

B

c)

C

d)

D

9.

a)

A

b)

B

c)

C

d)

D

10.

a)

Conduction

b)

Convection

c)

Radiation

d)

Evaporation

11.

Which quantity is measured in newtons

a)

Density

b)

Weight

c)

Energy

d)

Pressure

12.
a)

A

b)

B

c)

C

d)

D

13.

a)

A

b)

B

c)

C

d)

D

14.

a)

0.5 g/cm3

b)

2.0 g/cm3

c)

8.0 g/cm3

d)

10.0g/cm3

15.

Which energy change takes place when a matchstick burns?

a)

Chemical to thermal

b)

Chemical to nuclear

c)

Nuclear to chemical

d)

Thermal to chemical

16.
a)

A

b)

B

c)

C

d)

D

17.

Which statement about the transfer of thermal energy is correct?

a)

All metals conduct thermal energy equally well

b)

Convection can only occur in solids and liquids

c)

Convection occur in liquid because hot liquid is more dense than cold liquid

d)

The radiation that transfer thermal energy is type of electromagnetic radiation called infra-red radiation

18.
a)

A

b)

B

c)

C

d)

D

19.

a)

A

b)

B

c)

C

d)

D

20.

a)

A

b)

B

c)

C

d)

D