Why we need light to see things

Question 1

You go into a room with no windows and shut the door. The light is off. What can you see?

• A. everything, but in black and white
• B. only red things
• C. only shiny things
• D. nothing at all

Question 2

True or false? Most things we see do not make their own light.

• A. True
• B. False

Question 3

You go into a room with no windows and shut the door. The light is off. What can you see?

• A. only red things
• B. only shiny things
• C. everything, but in black and white
• D. nothing at all

Question 4

True or false? Dark means there is no light, or very little light.

• A. True
• B. False

Question 5

You go into a room with no windows and shut the door. The light is off. What can you see?

• A. everything, but in black and white
• B. nothing at all
• C. only shiny things
• D. only red things

Question 6

True or false? We need light to see things.

• A. True
• B. False

Question 7

A cat's eyes seem to shine in the dark when a car's headlights catch them. Is the cat making light?

• A. Yes, cats' eyes are light sources.
• B. No, it is the Moon making the eyes.
• C. No, its eyes are reflecting the headlights.
• D. Yes, but only at night.

Question 8

True or false? Dark means there is no light, or very little light.

• A. True
• B. False

Question 9

Why can you see a book on your desk?

• A. The book makes its own light.
• B. Your eyes send out light onto the book.
• C. Books glow in the dark.
• D. Light from a lamp or the Sun bounces off the book into your eyes.

Question 10

True or false? Dark means there is no light, or very little light.

• A. True
• B. False

Question 11

Why can you see a book on your desk?

• A. Your eyes send out light onto the book.
• B. Books glow in the dark.
• C. Light from a lamp or the Sun bounces off the book into your eyes.
• D. The book makes its own light.