Light Sources - 1st Grade

Front

What happens if there are no light sources?

Back

It becomes so dark that we can't see.

Front

What is a light source?

Back

The starting point of light.

Front

What is our main source of light?

Back

The Sun.

Front

True or False: You need light to create a shadow.

Back

True.

Front

How is a shadow formed?

Back

When an object moves in front of a light source.

Front

What is an example of a natural light source?

Back

The Sun.

Front

What is an example of an artificial light source?

Back

A lightbulb.

Front

Can we see in the dark?

Back

No, we need light to see.

Front

What do we call the dark shape made when something blocks light?

Back

A shadow.

Front

What happens to a shadow when the light source moves?

Back

The shadow changes shape and position.