Ages 11 to 14

What source of energy does all plant and animal life depend on?

• The sun
• The wind
• Oil

Name the three fossil fuels

• Wind, sun, water
• Oil, coal, natural gas
• Bones, rocks, shells

Why are they called fossil fuels?

• They were named after a scientist called Fiona Fossil
• They were named after an explorer called Phillip Fossilton
• They were formed by the remains of plants and animals millions of years ago

Which gas is released into the atmosphere when fossil fuels burn?

• Carbon Dioxide (CO₂)
• Oxygen (O₂)
• Hydrogen (H)

How do power stations use coal and oil to make electricity?

• By burning them. The heat transforms air into electricity
• By heating water to create steam. The steam powers turbines that in turn power a generator. This turns mechanical energy into electrical energy
• By mixing them together. The chemical reaction produces electricity

In what type of station would the fuel uranium-235 create radiant energy?

• A radio station
• A railway station
• A nuclear power station

The sun, wind, water, waves and waste can provide what type of energy?

• Renewable energy
• Non-renewable energy
• Gravitational energy

When foods full of carbohydrate, such as pasta and bread, are broken down by the digestive system, what vital source of energy is produced?

• Oil
• Sugar
• Salt

What is biogas made from?

• Coal
• Water
• Organic matter, such as human and animal waste or rotting matter