Colour Light and Seeing Difference

Question 2

What is white light made of?

Answer 2

All the colours of the rainbow.

Question 3

What does a prism do to white light?

Answer 3

It splits it into a rainbow (red, orange, yellow, green, blue, indigo, violet).

Question 4

What does frequency mean in light?

Answer 4

How fast the light wave wobbles — violet is fastest, red is slowest.

Question 5

Which colour has the highest frequency?

Answer 5

Violet.

Question 6

Which colour has the lowest frequency?

Answer 6

Red.

Question 7

What do colour filters do?

Answer 7

They let through one colour and block the others.

Question 8

What causes most vision problems?

Answer 8

Eyes that are the wrong shape, cloudy parts, or damage.

Question 9

Can vision problems be helped?

Answer 9

Yes! Some can be treated or fixed, like with glasses.

Question 10

What can people with low vision use?

Answer 10

Canes, guide dogs, Braille, or talking books.

Question 11

Is the Sun’s light dangerous?

Answer 11

Yes!

Never look at the Sun, Wear sunglasses, Protect your skin.