Food as a fuel

Which unit is used to measure energy?

• joules

• Newtons

• grams

How many joules are in one kilojoule?

• 10

• 100

• 1000

• 10000

Which unit is sometimes used to measure the amount of energy in food?

• kcal

• kcat

• kN

• kkaj

Which of these is not a fossil fuel?

• oil

• coal

• gas

• wood

Which of these is the correct definition of a fuel?

• A store of chemical energy

• A store of kinetic energy

• A store of gravitational potential energy

• A store of food energy

Give the correct unit for measuring energy.

Why do we need to energy from food?

• To move and keep warm.

• To move and breathe.

• To move and talk.

• All of these

Who will have the highest daily energy cost?

• A baby

• A young adult

• A toddler

• A elderly person

What happens if we take in more energy than we need for the activities we do?

• We lose weight

• We store it as fat

• We become very energetic

When comparing food label we should look at....

• How much energy there is per piece

• How much energy there is per 100g

• How much energy there is per packet