Show:
Light
Eye
Ear
Sound
Miscellaneous
100
Light moves in waves and in this way.
What is a straight line?
100

The colored part of the eye that makes the pupil bigger or smaller.

What is iris?

100
Something that helps a person hear better.
What is a hearing aid?
100

All sound is created when matter does this.

What is vibrations?

100
The material that allows light to pass through but scatters it.
What is translucent?
200
The only kind of energy waves you can see.
What are light waves?
200

The black circle in the middle of the eye that controls how much light enters

What is pupil?

200
The first step in hearing is when sound waves make this part of your ear vibrate.
What is the eardrum?
200
The loudness or softness of a sound
What is volume?
200
You speak into this to amplify sound.
What is a microphone?
300

What happens when light hits a smooth surface and bounces back

Reflection

300

The clear, outer layer of the eye that helps focus light

Cornea

300
This carries sound waves to the brain.
What is the nerve?
300
This makes sounds louder.
What is an amplifier?
300
They travel through different materials at different speeds.
What are sound waves?
400
Something that light does not pass through.
What is opaque?
400

A layer at the back of the eye that has special cells to detect light and color.

What is retina?

400

A spiral-shaped part of the ear filled with fluid and tiny hairs.

What is cochlea?

400
This is higher from sounds made from thin strings on a guitar and lower from the sounds made by thick strings on a guitar.
What is pitch?
400

This occurs when white light is broken up into colours

Rainbow

500

The type of light useful in communications because it can travel for long distances without getting dim.

What is laser light?

500

A clear, flexible part that changes shape to help focus on objects near and far.

What is lens?

500

This is the part of your ear you can see. It acts like a funnel that catches sound waves and sends them into your ear

What is pinna?

500
This device contains a tiny amplifier that makes sounds louder and is often used by doctors.
What is a stethoscope?
500

This is the colour you see when all of the colours are absorbed

Black