Definitions
Definitions
True or False
True or False
Definitions
100

The brain, nerves, and spinal cord.

What is the nervous system?

100

The tiny holes in the skin.

What are pores?

100

The right side of the brain controls the left side of the body.

True

100

Sound vibrations traveling through the air are called sound waves.

True

100

The colored part of the eye is called this.

What is the iris?

200

This nerve carries messages of what you have seen to the brain.

What is the optic nerve?

200

The protective crust that forms over a wound or cut.

What is a scab?
200

The eardrum is a thin sheet of skin which separates the outer ear from the middle ear.

True

200

Sound can travel through air, water, and solids.

True

200

The black hole in the center of the eye is called this.

What is the pupil?

300

To move rapidly back and forth.

What is vibrate?

300

Bundles of nerve cells found in the backbone.

What is the spinal cord?

300

The retina is the nerve which sends the message of what you have just seen to your brain.

False

300

Foods rich in vitamin A are good for your eyes.

True

300

This part of your ear contains the cochlea.

What is the inner ear?

400

Tiny particles of a substance.

What are molecules?

400

Bones which surround and protect the brain.

What is the skull?

400

The nerves carry messages to and from the brain.

True

400

Taste and smell work together.

True

400

This part of your ear contains 3 small bones called the: hammer, anvil, and stirrup.

What is the middle ear?

500

The little bumps on the tongue.

What are taste buds?

500

The parts of the body which help you learn about the world around you.

What are the sense organs?

500

It is all right to read a book when the light is not very bright.

False

500

Your arms are more sensitive to touch than you finger tips.

False

500

This part of your ear is made up of the auricle and the auditory canal.

What is the outer ear?