5. Light

Question 1

White: why we see the colours we do:

Answer 1

Reflects all colours.

Question 2

White: how it responds to heat:

Answer 2

Reflects heat.

Question 3

Black: why do we see the colours we do?:

Answer 3

Absorbs all colour.

Question 4

Black: how it responds to heat:

Answer 4

Absorbs heat.

Question 5

Colours: why do we see the colours we do?:

Answer 5

Reflects the colours you see.

Question 6

Colours: how it responds to heat:

Answer 6

Depends on how dark or light the colour is.

Question 7

What does the acronym ROYGBIV stand for?:

Answer 7

Red, orange, yellow, green, blueC indigo, violet.

Question 8

What are the four properties of light?:

Answer 8

1. Travels in a straight line
2. Can be reflected
3. Can bend (refract)
4. Form of energy

Question 9

How would you demonstrate each property of light?:

Answer 9

1. Turn on a flashlight
2. Use a mirror
3. Put an object in a glass of water
4. Use a magnifying glass or touch a light bulb

Question 10

What did ptolemy discover?:

Answer 10

Refraction.

Question 11

What did Newton discover?:

Answer 11

White light is made up of all colours.

Question 12

What did Pythagoras discover:

Answer 12

Thought that light shot out of our eyes.

Question 13

What did Al-Haytham discover?:

Answer 13

Light doesn’t come from our eyes. It bounces off of objects.

Question 14

What did Michelson discover?:

Answer 14

Speed of light is approx 300 000 km/s