SCIENCE QUARTER 1

A layer of skin that protects the body from the outside world.

• epidermis

• dermis

• hypodermis

An oily substance that helps to make our skin waterproof

• callus

• dermis

• sebum

Skin is an ______ and is the largest that covers the body.

• epithelial

• organ

• tissue

The ____ helps to refract or change the direction of the light.

• cornea

• retina

• iris

Light enters the eye in straight light.

• TRUE

• FALSE

The dark circle in the middle of the eye that lets in light.

• pupil

• sclera

• cornea

The part of the eye that controls movement

• pupil

• sclera

• iris

Bones that protect the heart and lungs.

• contract

• ribcage

• tissue

A hard bone that helps our legs to move.

• bicep

• femur

• heart

Which layer of skin prevents your body from losing water?

• epidermis

• dermis

• hypodermis