Light

Question 1

Name the two sources of light.

Answer 1

1. Artificial light

2. Natural light

Question 2

What is artificial light?

Answer 2

Artificial light are light that are made by man. They are also called man-made light.

Question 3

Give examples of artificial light.

Answer 3

1. Candle
2. Fire
3. Lamp
4. Bulb
5. Tube light

Question 4

What is natural light?

Answer 4

Natural light are light that are made by God.

Question 5

Give examples of natural light.

Answer 5

1. Sun
2. Stars
3. Firefly
4. Glow worm
5. Lightening

Question 6

What is a shadow?

Answer 6

A shadow is an area of darkness.

Question 7

When are shadows long?

Answer 7

In the morning and in the evening.

Question 8

When are shadows short?

Answer 8

At noon

Question 9

How are shadows formed?

Answer 9

Shadows are formed when light is blocked by an object.

Question 10

How can light harm us?

Answer 10

1. Looking directly at the sun can harm your eyes.
2. Using dim light can affect your eyes.
3. Shining a torch directly to your eyes can affect you.
4. Candles can burn our eyes.
5. The rays of the sun can harm our skin.
6. Watching television for a long time is not good for our eyes.

Question 11

How can you protect yourself from harmful light?

Answer 11

1. Do not look directly at the sun.
2. Do not watch television in the dark.
3. Do not touch the bulb when the light is on.
4. Use sunscreen to protect the skin from the sun.