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Science Quiz - Eyes and Ears (Questions)

Your eyes and ears work together to sense the world. Eyes detect light and color, while ears hear vibrations, helping you understand your surroundings.

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Fascinating Fact:

Goldfish don’t have eyelids – they sleep with their eyes open all the time!

In KS2 Science, students explore how eyes and ears detect signals from the environment. Light waves and sound vibrations are processed by the brain, allowing humans to see and hear clearly.

Key Terms

Retina: A layer at the back of the eye that senses light and creates signals for the brain.
Cochlea: A spiral-shaped part of the inner ear that changes sound vibrations into signals for the brain.
Optic Nerve: The nerve that carries visual information from the eye to the brain.

Frequently Asked Questions (Click to see answers)

How do the eyes and ears send signals to the brain?

The eyes use the optic nerve to send light signals, while the ears use the auditory nerve to send sound signals. The brain interprets these signals into sight and hearing.

What part of the ear detects sound vibrations?

The cochlea in the inner ear detects vibrations and converts them into electrical signals for the brain to process as sound.

Why are the eyes and ears important in daily life?

Eyes and ears are important because they help us navigate our surroundings, communicate with others, and stay safe by detecting light, color, and sound.

Try These Related Quizzes

1.

What does the eye respond to?

[ ]	Colour
[ ]	Shape
[ ]	Light
[ ]	Movement

2.

The ear has two main functions - one is to hear but what is the other?

[ ]	To sense changes in the weather
[ ]	To sense changes in position
[ ]	To sense changes in temperature
[ ]	To regulate hormones

3.

Which of the following protects the eye?

[ ]	The cornea
[ ]	The retina
[ ]	The iris
[ ]	The eyelids

4.

Sound waves cause which three small bones in the ear to vibrate?

[ ]	Ossicles
[ ]	Follicles
[ ]	Ampullae
[ ]	Cochlea

5.

Which is the coloured part of the eye?

[ ]	The cornea
[ ]	The pupil
[ ]	The iris
[ ]	The retina

6.

Sound waves travel down the ear canal before hitting what?

[ ]	The pinna
[ ]	The inner ear
[ ]	The ear lobes
[ ]	The ear drum

7.

The lens focuses images onto what at the back of the eye?

[ ]	The retina
[ ]	The pupil
[ ]	Eyelashes
[ ]	The cornea

8.

Which nerve takes signals from the ear to the brain?

[ ]	Spinal nerve
[ ]	Optic nerve
[ ]	Auditory nerve
[ ]	Olfactory nerve

9.

Which nerve takes signals from the eye to the brain?

[ ]	Spinal nerve
[ ]	Optic nerve
[ ]	Auditory nerve
[ ]	Olfactory nerve

10.

How can you look after your ears?

[ ]	By not listening too often to very loud music
[ ]	By never putting anything in your ear
[ ]	By wearing ear protectors around loud machinery
[ ]	All of the above

You can find more about this topic by visiting BBC Bitesize - Senses

Science Quiz - Eyes and Ears (Answers)

1.

What does the eye respond to?

[ ]	Colour
[ ]	Shape
[x]	Light
[ ]	Movement

Although our eyes allow us to see colour, shape and movement, they only respond (react) to light. Try sitting in a dark room before looking at your pupils in a mirror - notice the way your pupils react to changing levels of light

2.

The ear has two main functions - one is to hear but what is the other?

[ ]	To sense changes in the weather
[x]	To sense changes in position
[ ]	To sense changes in temperature
[ ]	To regulate hormones

Being filled with fluid, the ear can detect any movement we make, therefore helping us to balance - the skin detects changes in temperature, while we use several senses together in order to detect changes in the weather

3.

Which of the following protects the eye?

[ ]	The cornea
[ ]	The retina
[ ]	The iris
[x]	The eyelids

The eyelids, as their name suggests, are protective lids, or covers, for the eyes

4.

Sound waves cause which three small bones in the ear to vibrate?

[x]	Ossicles
[ ]	Follicles
[ ]	Ampullae
[ ]	Cochlea

The ossicles are the smallest bones in the human body

5.

Which is the coloured part of the eye?

[ ]	The cornea
[ ]	The pupil
[x]	The iris
[ ]	The retina

The colour of the iris is what we mean when we say someone has brown or blue or green eyes. Although it looks black, the pupil has no colour, because it is a hole

6.

Sound waves travel down the ear canal before hitting what?

[ ]	The pinna
[ ]	The inner ear
[ ]	The ear lobes
[x]	The ear drum

The ear drum vibrates when it is hit by sound waves - these vibrations then cause the ossicles to vibrate

7.

The lens focuses images onto what at the back of the eye?

[x]	The retina
[ ]	The pupil
[ ]	Eyelashes
[ ]	The cornea

The retina is a group of cells that are sensitive to light. They send messages along the optic nerve to the brain, which forms an image

8.

Which nerve takes signals from the ear to the brain?

[ ]	Spinal nerve
[ ]	Optic nerve
[x]	Auditory nerve
[ ]	Olfactory nerve

Auditory means 'related to hearing'

9.

Which nerve takes signals from the eye to the brain?

[ ]	Spinal nerve
[x]	Optic nerve
[ ]	Auditory nerve
[ ]	Olfactory nerve

Optic means 'related to vision'

10.

How can you look after your ears?

[ ]	By not listening too often to very loud music
[ ]	By never putting anything in your ear
[ ]	By wearing ear protectors around loud machinery
[x]	All of the above

If you look after your ears you should always be able to hear