Lesson 10 본문 빈칸 완성                       중 ❷-2 기말고사 동아(김)

Sometimes we see an object even _______  we stop looking at it. For example, we can still see the headlights of a car even after we _______  _______  our eyes or the car has turned away.　This happens because of afterimages. _______ see what afterimages are, let’s _______  a simple experiment.

Prepare two pieces of paper and a pencil. _______  one piece of paper, draw a bird. On the other, draw a cage. Then tape each piece of paper, back to back, _______  the top of the pencil. Now _______  the pencil quickly between your hands. If you spin it quickly enough, you can see the bird in the _______ .

Do you want _______  _______  how this happens? When you see something, your eyes _______  the information _______  your brain, and your brain understands _______  as an image.　The image stays a little bit longer in the brain _______  in the eye. This is why you have afterimages. _______  _______  afterimages, if you spin the pencil fast enough in the experiment above, the images of the bird and the cage will _______  into one.

Afterimages also make animated pictures _______ . When you see Peter Pan flying _______  TV, he isn’t actually flying. He is just a drawing on paper. To create the impression of movement, you need many drawings of Peter Pan. Each drawing _______  to be a little bit different from the one before _______ . If these drawings are shown _______  you fast enough, one image blends into the next, and this gives the impression of movement.

교과서 본문 확인

Sometimes we see an object even after we stop looking at it.

For example, we can still see the headlights of a car even after we have closed our eyes or the car has turned away.

This happens because of afterimages.

To see what afterimages are, let’s do a simple experiment.

Prepare two pieces of paper and a pencil.

On one piece of paper, draw a bird.

On the other, draw a cage.

Then tape each piece of paper, back to back, to the top of the pencil.

Now spin the pencil quickly between your hands.

If you spin it quickly enough, you can see the bird in the cage.

Do you want to know how this happens?

When you see something, your eyes send the information to your brain, and your brain understands it as an image.

The image stays a little bit longer in the brain than in the eye.

This is why you have afterimages.

Because of afterimages, if you spin the pencil fast enough in the experiment above, the images of the bird and the cage will blend into one.

Afterimages also make animated pictures possible.

When you see Peter Pan flying on TV, he isn’t actually flying.

He is just a drawing on paper.

To create the impression of movement, you need many drawings of Peter Pan.

Each drawing has to be a little bit different from the one before it.

If these drawings are shown to you fast enough, one image blends into the next, and this gives the impression of movement.