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

5th Science > Test 3 (Nine-Weeks Exam), Ch. 1 - 3 > Flashcards

Flashcards in Test 3 (Nine-Weeks Exam), Ch. 1 - 3 Deck (41):
1

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

opaque

2

A material that allows light to pass straight through it is

transparent

3

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

translucent

4

Light always travels in a _____ line.

straight

5

_____ light is a mixture of colored lights.

White

6

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

spectrum

7

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

absorbed

8

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

refraction

9

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

reflecting

10

The electric light bulb was invented by

Thomas Edison

11

The transparent layer covering the front of the eyeball is the

cornea

12

The opening that allows light to enter the eye is the

pupil

13

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

iris

14

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

retina

15

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

lens

16

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

optic nerve

17

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

binocular vision

18

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

tapetum

19

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

convex

20

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

concave

21

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

convex

22

A lens which scatters light rays is a ____ lens

concave

23

A lens which is shaped like an hourglass is

concave

24

A lens which is shaped like an egg is

convex

25

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

concave

26

List the colors of the spectrum in order.

red, orange, yellow, green, blue, violet

27

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

migrating

28

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

camouflage

29

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

beetle

30

A young insect that looks exactly like the adult is a

nymph

31

A male bee is called a

drone

32

Animals which eat meat are

carnivores

33

Animals which chew the cud are

ruminants

34

The largest group of mammals is

rodents

35

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

blubber

36

Animals that are active only at night are

nocturnal

37

Name one egg-laying mammal.

echidna or platypus

38

The odor of the skunk is produced by its ___ glands

musk

39

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

primates

40

Animals whose species no longer exist are

extinct

41

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

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.