Vision and Light Chapter 2

Front

What does the pupil do?

Back

Lets light into the eye.

Front

What is something that can change in an investigation?

Back

Variable.

Front

What do scientists make to answer questions about the real world?

Back

Model.

Front

What is the correct order of how a gecko finds food?

Back

First, light travels from a source to the gecko’s prey. Then, it reflects off the prey and travels to the gecko’s eyes. As it travels from the prey to the gecko’s eyes, it carries information about the prey.

Front

What does it mean to reflect light?

Back

To cause light to bounce off a material.

Front

What is light?

Back

A form of energy that travels in waves.

Front

What is a source of light?

Back

An object that emits light, such as the sun or a light bulb.

Front

What is the role of the retina in the eye?

Back

It converts light into signals that are sent to the brain.

Front

What is a model in science?

Back

A representation of an idea, object, or process to help understand it.

Front

What is the difference between a predator and prey?

Back

A predator hunts and eats other animals, while prey is the animal that is hunted.