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Science Quiz - Muscles (Questions)

Muscles help us move, breathe, and even digest food. In KS2 Science, pupils explore how different types of muscles keep the body working properly.

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Fascinating Fact:

Smooth muscles work automatically inside the body, like those in the stomach and intestines.

In KS2 Science, pupils learn about the three main types of muscles: skeletal muscles, which move bones; smooth muscles, which work automatically inside organs; and cardiac muscle, which powers the heart.

Key Terms

Skeletal Muscle: Voluntary muscles attached to bones that move the body.
Smooth Muscle: Involuntary muscles found in organs like the stomach and intestines.
Cardiac Muscle: The special muscle that contracts to pump blood through the heart.

Frequently Asked Questions (Click to see answers)

What are the three types of muscles in KS2 Science?

The three types are skeletal muscles for movement, smooth muscles for automatic actions inside organs, and cardiac muscle in the heart.

How do muscles help the body move?

Skeletal muscles pull on bones at the joints, working in pairs to move the body in different directions.

Why is cardiac muscle special?

Cardiac muscle is unique because it never tires. It keeps contracting to pump blood throughout life without needing conscious control.

Try These Related Quizzes

1.

What are muscles made from?

[ ]	Fat cells
[ ]	Thin strands of iron
[ ]	Thousands of small stretchy fibres
[ ]	Carbohydrates

2.

How do voluntary muscles always work?

[ ]	Voluntary muscles always work on their own
[ ]	Voluntary muscles always work in pairs
[ ]	Voluntary muscles always work in groups of three
[ ]	Voluntary muscles always contract at the same time

3.

When you contract your bicep, what happens?

[ ]	Your tricep relaxes
[ ]	Your other bicep also contracts
[ ]	Your arm lowers
[ ]	Nothing else happens

4.

What attaches muscles to the skeleton?

[ ]	Ligaments
[ ]	Joints
[ ]	Tendons
[ ]	Arteries

5.

Which of these is not an involuntary muscle?

[ ]	The heart
[ ]	The diaphragm
[ ]	The muscles lining the stomach
[ ]	The tongue

6.

Skeletal muscles are usually attached to bones at both ends. Which muscle is an exception?

[ ]	The tongue
[ ]	The gluteus maximus
[ ]	Pectorals
[ ]	Triceps

7.

What do your muscles need in order to work?

[ ]	Carbon dioxide and energy
[ ]	Oxygen and food
[ ]	Nitrogen and energy
[ ]	Carbon dioxide and blood

8.

Exercise makes muscles do what?

[ ]	Grow bigger and stronger
[ ]	Grow smaller and weaker
[ ]	Become less stretchy
[ ]	Become less effective

9.

Your facial muscles allow you to do what?

[ ]	To use your brain
[ ]	To make different facial expressions
[ ]	To hear
[ ]	To lift heavy weights

10.

Which of these is not true?

[ ]	Snakes have very strong muscles to help them move
[ ]	Some insects have thousands of muscles
[ ]	Humans are the only animals with muscles
[ ]	Birds need powerful muscles in order to fly

You can find more about this topic by visiting BBC Bitesize - How do your muscles work?

Science Quiz - Muscles (Answers)

1.

What are muscles made from?

[ ]	Fat cells
[ ]	Thin strands of iron
[x]	Thousands of small stretchy fibres
[ ]	Carbohydrates

Each muscle is actually a bundle of small stretchy fibres made from protein

2.

How do voluntary muscles always work?

[ ]	Voluntary muscles always work on their own
[x]	Voluntary muscles always work in pairs
[ ]	Voluntary muscles always work in groups of three
[ ]	Voluntary muscles always contract at the same time

Voluntary muscles are the muscles you can control. They are also called 'skeletal' muscles. Involuntary muscles are also called 'smooth' muscles

3.

When you contract your bicep, what happens?

[x]	Your tricep relaxes
[ ]	Your other bicep also contracts
[ ]	Your arm lowers
[ ]	Nothing else happens

Muscles work in pairs: when you contract your tricep, your bicep relaxes and when you contract your bicep, your tricep relaxes

4.

What attaches muscles to the skeleton?

[ ]	Ligaments
[ ]	Joints
[x]	Tendons
[ ]	Arteries

Ligaments hold bones together at the joints

5.

Which of these is not an involuntary muscle?

[ ]	The heart
[ ]	The diaphragm
[ ]	The muscles lining the stomach
[x]	The tongue

The diaphragm (the powerful muscle under your lungs) is interesting - you don't need to make it contract (because it's involuntary), but you can if you want to. That's why people can control their breathing but don't have to think about every breath

6.

Skeletal muscles are usually attached to bones at both ends. Which muscle is an exception?

[x]	The tongue
[ ]	The gluteus maximus
[ ]	Pectorals
[ ]	Triceps

The tongue is only connected at one end - otherwise, how would you be able to chew and swallow, or even talk?

7.

What do your muscles need in order to work?

[ ]	Carbon dioxide and energy
[x]	Oxygen and food
[ ]	Nitrogen and energy
[ ]	Carbon dioxide and blood

The cells in the muscles can convert oxygen and food into energy

8.

Exercise makes muscles do what?

[x]	Grow bigger and stronger
[ ]	Grow smaller and weaker
[ ]	Become less stretchy
[ ]	Become less effective

The more you use a muscle the bigger and stronger it gets, but if you don't use it, a muscle gets smaller and weaker

9.

Your facial muscles allow you to do what?

[ ]	To use your brain
[x]	To make different facial expressions
[ ]	To hear
[ ]	To lift heavy weights

You have more than 30 facial muscles. These allow you to make an enormous range of facial expressions

10.

Which of these is not true?

[ ]	Snakes have very strong muscles to help them move
[ ]	Some insects have thousands of muscles
[x]	Humans are the only animals with muscles
[ ]	Birds need powerful muscles in order to fly

All animals have muscles