1
Q
Why does a red ball look red?
A
It reflects the red light from the sun, all other colours get absorbed by the ball.
2
Q
How are rainbows made?
A
Light is separated into different colours through raindrops.
3
Q
What is the function of the retina?
A
It is where the image is formed in the eye.
4
Q
What is the name of the hole in your eye which the light passes through?
A
Pupil.
5
Q
How does light travel?
A
Light travels in straight lines.
It cannot travel through opaque objects.
Light travels at 300,000 km/s
6
Q
What happens to light as it enters a glass block?
A
It gets bent towards the normal line.
7
Q
Why does light bend when it enters a glass block?
A
As it enters it slows down, so it refracts.
Year 7 Physics
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