Amplify Science- Vision and Light Chapter 3 Review

Why do scientists change only one variable at a time?

• to slow down the progress

• So they can tell if changing a variable made a difference.

• because it is illegal to do more than one

Sense

• to stay alive

• all the living and nonliving things in an area

• how an animal gets information from its environment

• the way something is shaped or what it is made out of that makes it good for a specific function

to change information from one form to another

• Responder

• Pupil

• Receptor

• Process

If you were in this environment, why might it be important to know what other animals were there?

• For scientific purposes

• to check your hearing

• To know if there is a predator nearby.

If you were in the savanna and heard a sound you didn’t recognize, why would that matter?

• you may meet a new creature to play with

• You wouldn’t know if you were in danger and whether or not you should run away.

• It will be good for your senses and brain

something that can change in an investigation

• model

• predator

• prey

• variable

 Light receptors...

•  lets light into the eye

•  respond to light

• another part takes information to the brain

How does information from the light get to an animal’s brain?

• through receptors

• through their taste

• Light comes in through the pupil.

The pupil...

•  lets light into the eye

•  respond to light

• another part takes information to the brain

a structure that responds to information

coming in from the environment

• Responder

• Pupil

• Receptor

• Process