Unit 2 C. 4 Vision and Light Vocabulary

Front

What is evidence?

Back

Information that supports an answer to a question.

Front

What should scientists change during an investigation?

Back

Only one variable at a time.

Front

What does light need to do to help an animal see an object?

Back

Light needs to reflect off an object and get to the eye.

Front

What is sensitivity?

Back

How strongly something responds to information.

Front

What is a variable?

Back

Something that can change in an investigation.

Front

What is the definition of reflection?

Back

The bouncing back of light from a surface.

Front

What is refraction?

Back

The bending of light as it passes from one medium to another.

Front

What is a model in science?

Back

A representation of an idea, object, or process.

Front

What is the purpose of an investigation?

Back

To explore and answer scientific questions.

Front

What is a predator?

Back

An animal that hunts and eats other animals.