Y7 Revision: Energy

• Physics
• Lower Secondary (Key Stage 3)

Non-renewable 

Renewable

Solar

Wind

Nuclear

Geothermal

Oil

Tidal

Gas

Coal

Hydroelectric

Biomass

Wave

Y7 Revision: Energy

What is the unit of energy?

1. Joules
2. Watts
3. Seconds
4. Newtons

How many joules in 1 kilojoule?

1. 0.1
2. 1000
3. 100
4. 10

How many kJ are there in 4000J?

1. 400000
2. 0.4
3. 40
4. 4

Give an advantage of renewable energy resources.

Which of these is NOT a renewable energy resource?

1. Tidal
2. Geothermal
3. Nuclear
4. Hydroelectric

If a person eats 12000 J of food and uses 8500 J what will happen to that person?

Name 2 non-renewable energy resources.

What is the unit of power?

1. Joules
2. Watts
3. Kilojoules
4. Newtons

A kettle transfers 100 J in 5 seconds. Calculate the power of the kettle.

1. 20 W
2. 500 W
3. 0.05 W
4. 50 W

Which energy store is to do with batteries, food and fuel?

1. Kinetic
2. Thermal
3. Chemial
4. Elastic potential

Name and energy transfer.

How many watts in a kilowatt?

1. 10
2. 0.1
3. 100
4. 1000