Test 3 (Nine-Weeks Exam), Ch. 1 - 3

Question 1

A material that does not allow light to pass through it is

Answer 1

opaque

Question 2

A material that allows light to pass straight through it is

Answer 2

transparent

Question 3

If a material allows light to pass through it, but you cannot see objects on the other side of it, that material is

Answer 3

translucent

Question 4

Light always travels in a _____ line.

Answer 4

straight

Question 5

_____ light is a mixture of colored lights.

Answer 5

White

Question 6

The series of colored bands that are created when sunlight is separated is the ____

Answer 6

spectrum

Question 7

If all of the colors of the spectrum are _____ by an object, then the object is black.

Answer 7

absorbed

Question 8

Bending of light rays as they enter a new material is called

Answer 8

refraction

Question 9

A blue dress appears blue because the dress is _____ blue light

Answer 9

reflecting

Question 10

The electric light bulb was invented by

Answer 10

Thomas Edison

Question 11

The transparent layer covering the front of the eyeball is the

Answer 11

cornea

Question 12

The opening that allows light to enter the eye is the

Answer 12

pupil

Question 13

The muscles that regulate the size of the pupil are found in the

Answer 13

iris

Question 14

The light-sensitive lining covering the inside of the eyeball is the

Answer 14

retina

Question 15

The structure behind the pupil that refracts and focuses the light it receives is the

Answer 15

lens

Question 16

The large bundle of fibers that carries the message of what the eye has seen to the brain is the

Answer 16

optic nerve

Question 17

They type of vision in which both eyes work together to produce an image of the same object is

Answer 17

binocular vision

Question 18

Many nocturnal animals have an extra layer of reflecting cells behind the retina called the

Answer 18

tapetum

Question 19

A mirror which bulges toward the viewer and makes things look smaller is a ____ mirror

Answer 19

convex

Question 20

A mirror which bulges away from the viewer and makes things look bigger is a ____ mirror.

Answer 20

concave

Question 21

A lens which refracts light rays and brings them into focus is a ____ lens

Answer 21

convex

Question 22

A lens which scatters light rays is a ____ lens

Answer 22

concave

Question 23

A lens which is shaped like an hourglass is

Answer 23

concave

Question 24

A lens which is shaped like an egg is

Answer 24

convex

Question 25

Sir Issac Newton’s reflecting telescope used a ____ mirror and a convex lens.

Answer 25

concave

Question 26

List the colors of the spectrum in order.

Answer 26

red, orange, yellow, green, blue, violet

Question 27

Insects that move from place to place with the changing seasons are

Answer 27

migrating

Question 28

When an insect blends in with its surroundings, it is an example of

Answer 28

camouflage

Question 29

An insect with a straight line down its abdomen and chewing mouth parts is a

Answer 29

beetle

Question 30

A young insect that looks exactly like the adult is a

Answer 30

nymph

Question 31

A male bee is called a

Answer 31

drone

Question 32

Animals which eat meat are

Answer 32

carnivores

Question 33

Animals which chew the cud are

Answer 33

ruminants

Question 34

The largest group of mammals is

Answer 34

rodents

Question 35

Whales and dolphins have a layer of ___ instead of fur.

Answer 35

blubber

Question 36

Animals that are active only at night are

Answer 36

nocturnal

Question 37

Name one egg-laying mammal.

Answer 37

echidna or platypus

Question 38

The odor of the skunk is produced by its ___ glands

Answer 38

musk

Question 39

chimpanzees, gorillas, and monkeys all belong to the order of mammals called

Answer 39

primates

Question 40

Animals whose species no longer exist are

Answer 40

extinct

Question 41

Explain the importance of insectivores as part of God’s plan for maintaining the balance of nature.

Answer 41

Insectivores are part of God’s plan for keeping the insect population in check. Half of all living things are insects, and just one insect may lay hundreds of eggs. The insects provide food for the insectivores, and the insectivores prevent insects from overpopulating the earth.