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These mushrooms are fungi. They are simple plants but they do not contain chloroplasts. Fungi cannot photosynthesise.

Health 02

Health in KS3 Science explores how diet and lifestyle choices affect the body, including the importance of balance, variety, and moderation in what we eat and drink.

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Fascinating Fact:

Eating too many carrots can actually turn your skin slightly orange.

In KS3 Science, pupils learn about nutrition and the effects of food choices. Lessons cover carbohydrates, fats, proteins, vitamins, and minerals, as well as how diet affects overall health and energy levels.

Key Terms

Carbohydrates: Foods that give the body energy, such as bread, rice, and pasta.
Protein: Nutrients used to build and repair tissues, found in foods like meat, beans, and eggs.
Vitamins: Substances needed in small amounts to keep the body working properly.

Frequently Asked Questions (Click to see answers)

What makes up a balanced diet in KS3 Science?

A balanced diet includes carbohydrates, proteins, fats, vitamins, minerals, fibre, and water. Each plays a role in keeping the body healthy and functioning properly.

Why is fibre important for health?

Fibre helps food move through the digestive system, prevents constipation, and supports a healthy gut. It is found in fruit, vegetables, and whole grains.

What happens if someone eats too much sugar?

Eating too much sugar can lead to tooth decay, weight gain, and a higher risk of diseases like type 2 diabetes if not balanced with other healthy foods.

Try These Related Quizzes

1 .

Which of the following is NOT caused by a virus?

Cold

Flu

HIV

Tetanus

Spores of the tetanus bacteria enter a wound from soil, dust or animal faeces. You can't catch tetanus from someone who has the disease

2 .

Which of the following does NOT involve fungi?

Beer

Bread

Meat

Mushrooms

Mushrooms are fungi. Bread and beer are made with yeast which is a fungus

3 .

Which microbe invades cells?

Bacteria

Fungus

Mould

Virus

Viruses can reproduce rapidly, but only in living cells. A virus is technically not alive, it shows none of the signs of life like respiration. It is more like a chemical that can reproduce itself when it gets into a living cell. To talk about killing a virus is not really correct, it is better to say destroying a virus

4 .

The range of antibodies in your blood can be safely increased by ...

breathing

drinking

eating

vaccination

This helps to create immunity to certain diseases that were once responsible for killing millions of people

5 .

In which of the following foods are microbes NOT used?

Bread

Flapjacks

Wine

Yoghurt

There are more microbes on your body than there are humans on Earth

6 .

Which of the following is least likely to introduce living bacteria into our bodies?

A cut on our knee

A vaccine

Breathing

Eating and drinking

Some vaccines have living bacteria but in a weakened form. A vaccine trains our white blood cells what antibodies are needed to fight off the infection in the future

7 .

Which of the following is caused by a fungus?

Athletes foot

Chickenpox

Measles

Tennis elbow

People with athletes foot should not use communal showers as it is easy to pass it on to others. It is easily cured by using an anti-fungal cream or powder

8 .

Which type of cell can produce antibodies?

Blood plasma

Muscle cells

Red blood cells

White blood cells

These defend your body against infection by bacteria, viruses and fungi

9 .

Which microbe can be killed by antibiotics?

Bacteria

Fungus

Mould

Virus

Antibiotics only work on bacteria, they do not destroy viruses or fungal infections

10 .

Fungi are simple plants but they do not contain .......

A nucleus

A vacuole

Cell walls

Chloroplasts

Fungi can't photosynthesise, they obtain their nutrients by releasing enzymes onto the material around where they are growing

You can find more about this topic by visiting BBC Bitesize - Health and disease

Author: Sue Davison (Chemistry Specialist & KS3 Science Teacher, Quiz Writer)

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