77 Color Blindness-Mid

Color Blindness FOCUS Question What is color blindness?

Dark and Light You need light to see things. If you wake up at night, you may not be able to see anything. Turn on a lamp. Now you can see.

Light and Colors You need light to see colors. In a dark room, it is hard to see the colors on this bed. When the light is on, you can see the colors better.

Look at this picture. You see a black and white soccer ball. Your friends in class probably see the same colors.

Now, look at this soccer ball. Many people will see a green and white ball. Some people may see a tan and white ball. Other people may see a gray and white ball. Why do they see different colors?

Color Blindness Some people see colors differently than other people do. Doctors call this color blindness People who have color blindness, were born with it. A lot of people are color-blind. More boys than girls have color blindness. Math Moment For every 12 boys, one boy is usually color-blind. If 24 boys are on a bus, how many boys are likely to be color-blind? Hint Draw a picture.