Can I believe my eyes? IQWST PS1 LS1 (lessons 1-5)

Front

What has to happen for you to see an object?

Back

Light shines on an object.
Some light bounces off it to your eyes.

Front

Can there be different kinds of models for the same thing?

Back

Yes, you can use different materials to create models.

Front

Why does an object make a shadow?

Back

The object blocks the path of the light but lights up the area around the object.

Front

What happens to pupils when lights are turned off in a room?

Back

get larger

Front

The black hole in the center of the iris; the opening that allows light to enter the eye

Back

Pupil

Front

Which part of the eye converts the light into an electric signal?

Back

Retina

Front

Which part of the eye focuses the light when objects are near or far?

Back

Lens

Front

Which part of the eye carries the message to the brain?

Back

Optic Nerve

Front

In order to see an object, we need:

Back

Object, eye, light, direct path between object and eye

Front

How does light travel?

Back

in every direction