True or false: Light reflecting from an object and entering the eye allows us to see it.

• True
• False

True or false Light can pass through solid objects.

• True
• False

We see objects because they reflect light into our eyes. Which items in the image can the people see because of the reflected light?

• all of the items
• only the items that are shiny
• the items on top of the table
• all of the brightly-colored items

These diagrams show a section through a cardboard box. On one side there is a small tube that you can look through into the box. On the other side is a small hole where light from the lamp can enter the box. Inside the box there is a small model cat in different positions. In boxes C and D, there is also a piece of cardboard beside the cat. Which box would allow you see the cat best?

• A
• B
• C
• D

These diagrams show a section through a cardboard box. On one side there is a small tube that you can look through into the box. On the other side is a small hole where light from the lamp can enter the box. Inside the box there is a small model cat in different positions. In boxes C and D, there is also a piece of cardboard beside the cat. What does this experiment demonstrate about light?

• Light travels in straight lines.
• Light travels in wavy lines.
• Light can pass through solid objects like cardboard.
• Light is a form of energy.

Which of the objects in the room pictured are possible sources of light?

• Candle
• TV
• Glass

Which of the objects in the room pictured are possible sources of light?

• Fire
• Lamp
• Clock

• Trees