KS3 Science Revision | Nutrients and Balanced Diet Quiz

Science Quiz - Food 01 (Questions)

Food provides the energy and nutrients our bodies need to live and grow. In KS3 Science, pupils explore balanced diets, food groups, and the importance of nutrition.

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Fascinating Fact:

Carrots do not really help you see in the dark, that was a World War II myth to cover up the use of radar.

In KS3 Science, pupils study food and nutrition to understand how different food groups support the body. Learning about energy, vitamins, and minerals helps explain why balance is important.

Key Terms

Nutrients: Substances in food that help the body grow, repair, and stay healthy.
Balanced Diet: Eating the right amount of different foods to provide all essential nutrients.
Energy: The fuel from food that powers body processes like movement, growth, and repair.

Frequently Asked Questions (Click to see answers)

What are the main food groups in KS3 Science?

The main food groups are carbohydrates, proteins, fats, vitamins, minerals, fibre, and water, each with different roles in keeping the body healthy.

Why is a balanced diet important?

A balanced diet is important because it provides the right mix of nutrients, helping the body grow, repair tissues, and stay strong against illness.

Do carrots really help you see in the dark?

Carrots contain vitamin A, which supports healthy eyesight, but they do not make you see in the dark. The idea was a World War II myth.

Try These Related Quizzes

What are proteins used for?

[ ]	Bones and teeth
[ ]	Energy
[ ]	Growth and repair
[ ]	Healthy blood

What are carbohydrates used for?

[ ]	Bones and teeth
[ ]	Energy
[ ]	Growth and repair
[ ]	Healthy blood

What are fats in our diet mainly used for?

[ ]	Bones and teeth
[ ]	Growth and repair
[ ]	Healthy blood
[ ]	Stored energy

What are small amounts of vitamins needed for?

[ ]	Bones and teeth
[ ]	Chemical reactions in the body
[ ]	Digestion
[ ]	Respiration only

Iron, a mineral, is needed for what?

[ ]	Bones and teeth
[ ]	Cell chemistry
[ ]	Energy
[ ]	Healthy blood

Fibre is needed for what?

[ ]	Cell chemistry
[ ]	Energy
[ ]	Healthy blood
[ ]	Preventing constipation

Which of the following foods contain little or no protein?

[ ]	Beans
[ ]	Butter
[ ]	Fish
[ ]	Meat

Which of the following foods contain little or no carbohydrates?

[ ]	Bread
[ ]	Cucumber
[ ]	Pasta
[ ]	Potatoes

Which of the following foods contain little or no fibre?

[ ]	Apples
[ ]	Carrots
[ ]	Cheese
[ ]	Peas

10.

Which of the following contains most calcium?

[ ]	Cheddar cheese
[ ]	Green vegetables
[ ]	Meat
[ ]	Oranges

Science Quiz - Food 01 (Answers)

What are proteins used for?

[ ]	Bones and teeth
[ ]	Energy
[x]	Growth and repair
[ ]	Healthy blood

Proteins are long chains of different amino acids

What are carbohydrates used for?

[ ]	Bones and teeth
[x]	Energy
[ ]	Growth and repair
[ ]	Healthy blood

They provide energy through respiration

What are fats in our diet mainly used for?

[ ]	Bones and teeth
[ ]	Growth and repair
[ ]	Healthy blood
[x]	Stored energy

As well as stored energy, they provide insulation

What are small amounts of vitamins needed for?

[ ]	Bones and teeth
[x]	Chemical reactions in the body
[ ]	Digestion
[ ]	Respiration only

If your chemical reactions don't work properly all sorts of things can start to go wrong with your body

Iron, a mineral, is needed for what?

[ ]	Bones and teeth
[ ]	Cell chemistry
[ ]	Energy
[x]	Healthy blood

Calcium, also a mineral, is needed for bones and teeth

Fibre is needed for what?

[ ]	Cell chemistry
[ ]	Energy
[ ]	Healthy blood
[x]	Preventing constipation

It also helps prevent bowel cancer

Which of the following foods contain little or no protein?

[ ]	Beans
[x]	Butter
[ ]	Fish
[ ]	Meat

Butter contains mainly fat

Which of the following foods contain little or no carbohydrates?

[ ]	Bread
[x]	Cucumber
[ ]	Pasta
[ ]	Potatoes

A cucumber is a good source of vitamins and minerals