IQWST PS1 LS1 (lessons 1-5) ENGLISH

Front

What needs to happen for you to see an object?

Back

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

Front

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

Back

Yes, you can use different materials to create models.

Front

An object casts a shadow because...

Back

The object blocks the path of light but illuminates the area around the object.

Front

When the lights are off in a room, my pupils...

Back

become 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 light into an electrical signal?

Back

Retina

Front

Which part of the eye focuses 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

To see an object, we need: Object, eye, light, direct path between the object and the eye

Back

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

Front

How does light travel?

Back

in all directions