Science 4 Unit 2 Test Review

A squirrel is moving on a forest floor.

Which parts of its body would a leopard use to sense the squirrel?

• Only its legs and paws

• Only its brain and eyes

• its ears, eyes, nose, and brain

• its legs, paws, brain, and eyes

What is the first step that allows you to see an object?

• Light hits receptors at the back of your eyeball

• Your brain processes signals from light receptors

• Light is reflected from the object to your eyes

• Light is reflected from your eyes to the object.

Tags

NGSS.MS-LS1-8

Which of these structures serve similar functions to allow the animal shown to sense vibrations?

• Its ears and feet

• Its jaw and trunk

• Its skin and tongue

• Its eyes and tail

Four sense receptors are labeled on the drawing above. Sense receptors in which part of this animal's body allows it to detect the insect?

• A

• B

• C

• D

What part of the animal shown allows it to process what it senses?

• Its brain

• Its nose

• Its tongue

• Its whiskers

True of False?

Muscles help bones move.

• True

• False

Select the number that is located on the bones that protect the heart and lungs.

• 1

• 2

• 3

• 4

• 5

Select the number that is located on the bones that protect the nerve cord.

• 1

• 2

• 3

• 4