What is a primary light source?

• Something that reflects light

• Something that produces light

What is a secondary light source?

• Something that reflects light

• Something that produces light

Which two items listed below are examples of primary light sources?

• Glass

• Sun

• Torch

• Human body

Which two items listed below are examples of secondary light sources?

• Glass

• Sun

• Torch

• Human body

Which item listed below is an example of a light receiver?

• Torch

• Sun

• Eyes

• Shadow

What is a shadow?

• A dark shape made by something blocking the light

• A dark shape made by something reflecting light

In this image, what is the primary light source?

• Eye

• Clock

• Light globe

In this image, what is the secondary light source?

• Eye

• Clock

• Light globe

In this image, what is the light receiver?

• Eye

• Clock

• Light globe

Reorder the following:

• Light shines from the Primary Light Source

• Our eyes transmit the image to our brains, and we see it

• It is reflected off the Secondary Light Source

• The light travels to the Light Receiver, our eyes