We can see when ___________________.

• there is no light

• light enters our eyes

• there are shadows

• light enters our ears

Is the moon a light source?

• Yes, it is a man-made light source.

• No, it is not a light source. It reflects light from the Sun.

• Yes, it is made of cheese and that is where Mr. D lives.

• Yes, it is a natural light source.

What is a shadow?

• A shadow is light area formed when it is sunny.

• A shadow is a reflection of a light source.

• A shadow is a banana.

• A shadow is a dark area formed when light is blocked.

When is there total darkness?

• When there is a lot of light.

• When there is a little light.

• When there is no light.

• When it is lunchtime.

The light source is in front of the woman.

• The shadow is behind the woman.

• The shadow is in front of the woman.

• The shadow is on the left side.

• The shadow is on the right side.

The light source is behind the cat.

• The shadow is behind of the cat.

• The cat is a shadow monster.

• My cat's breath smells like cat food.

• The shadow is in front of the cat.

Is it a natural light source or a man-made light source?

lightning

• natural light source

• man-made light source

Is it a natural light source or a man-made light source?

lantern

• natural light source

• man-made light source

Is it a natural light source or a man-made light source?

flashlight

• natural light source

• man-made light source

Is it a natural light source or a man-made light source?

firefly

• natural light source

• man-made light source