c05d9-Naturalscience04 Unit08 Diagnostic

Name:

Diagnostic

8

UNIT UNIT

Class:

1 Identify the forms of energy in the photos. chemical energy kinetic energy a

sound energy light energy

thermal energy electrical electric al energy

b

c

e

f

light energy d

2 Complete the sentences about energy. Write a. We

can’t 

can or can’t .

see energy.

b. Energy

be created.

c. Energy

be changed from one type to another. another.

d. Energy

be destroyed.

e. Energy

be found all around us.

3 Are these sentences about energy true or false? a. A radio turns electrical energy into light energy.

True / False

b. A light bulb turns electrical energy into sound energy.

True / False

c. We turn chemical energy in food into kinetic or thermal energy.

True / False

d. Electric heaters turn electrical elec trical energy into thermal energy.

True / False

1

Natural Science Primary 4 • Downloadable and printable © Ediciones Bilingües, S.L.

UNIT

8

4 What source of electricity do these appliances use? Circle the correct answer. a. mobile phone

mains electricity

batteries

both

b. refrigerator

mains electricity

batteries

both

c. remote control

mains electricity

batteries

both

d. torch

mains electricity

batteries

both

e. washing machine

mains electricity

batteries

both

f. laptop

mains electricity

batteries

both

5 Put the energy sources in the correct column. coal

Sun

wind

crude oil

Renewable energy sources

gas

water

Non-renewable energy sources

Sun

6 Complete the sentences with renewable or non-renewable. a.

energy sources will eventually run out.

b.

energy sources will never run out.

7 Choose the correct word to complete the sentences. a. Solar panels turn solar energy into kinetic / electrical energy. b. We mine coal / water from the ground. c. Crude oil is processed into petrol / coal. d. Wind stations / farms use wind energy and turn it into electrical energy. e. Fossil fuels are a renewable / non-renewable energy source.

8 Complete the sentences. a. When an object moves, it has k  b. Most of the l 

 energy.

 energy on Earth comes from the Sun.

c. T 

 energy flows from a warm object to a cooler object.

d. S 

 energy is made by vibrations.

2

Natural Science Primary 4 • Downloadable and printable © Ediciones Bilingües, S.L.