Test 7, Chapter 7

Question 1

The sun is ____ miles from the earth.

Answer 1

93,000,000

Question 2

The atmosphere of the sun is called the

Answer 2

chromosphere

Question 3

The surface layer of the sun which is visible to our eyes is called the

Answer 3

photosphere

Question 4

The vapor blanket surrounding the sun which is visible only during a total eclipse is called the

Answer 4

corona

Question 5

The innermost section of the sun is called the

Answer 5

core

Question 6

Darker areas on the outer surface of the sun are called

Answer 6

sun spots

Question 7

If the moon is on the same level as the sun, it blocks out the sun’s light and

Answer 7

a solar eclipse occurs

Question 8

When the moon travels through the earth’s shadow, _____.

Answer 8

a lunar eclipse occurs

Question 9

The light of the moon comes from

Answer 9

the sun

Question 10

When the moon is gibbous, it is

Answer 10

bulging

Question 11

Know the phases of the moon:

Answer 11

new moon - can’t see it, in a shadow
crescent - just a sliver showing on the right or left side
First quarter - the right half show & the left half is in shadow
Gibbous - almost all of the moon shows except for a small sliver on the right or left sides
Third quarter - the left half shows & the right half is in shadow
Full moon - the whole moon can be seen

Question 12

Be able to label the following constellations:

Answer 12

Herdsman
Scorpion
Orion
Big Dog
Great Bear
Southern Cross

Question 13

the largest planet in the solar system

Answer 13

Jupiter

Question 14

the planet discovered by Sir William Herschel

Answer 14

Uranus

Question 15

the only planet suitable for life

Answer 15

Earth

Question 16

the closest planet to the sun

Answer 16

Mercury

Question 17

the planet surrounded by seven bands of rings and at least sixty moons

Answer 17

Saturn

Question 18

the planet with the Great Red Spot

Answer 18

Jupiter

Question 19

the brightest planet in the sky

Answer 19

Venus

Question 20

the planet that is tipped over on its side

Answer 20

Uranus

Question 21

Earth’s “twin planet”

Answer 21

Venus

Question 22

the “red planet”

Answer 22

Mars

Question 23

The planet that appears royal blue and has a moon named Triton

Answer 23

Neptune

Question 24

78% of the air is the gas

Answer 24

nitrogen

Question 25

at sea level, air pressure is about ___ pounds per square inch.

Answer 25

15

Question 26

The layer of atmosphere closest the the earth is the

Answer 26

troposphere

Question 27

The layer of atmosphere where all weather occurs is the

Answer 27

troposphere

Question 28

The layer in the stratosphere that helps protect the earth from ultraviolet rays is the

Answer 28

ozone layer

Question 29

The layer of the atmosphere that helps protect the earth from being bombarded with meteoroids is the

Answer 29

mesosphere

Question 30

The topmost layer of the atmosphere is the

Answer 30

exosphere

Question 31

The air in the two upper layers of the atmosphere is said to be ____ because there are very few air molecules

Answer 31

rarefied

Question 32

The entire earth is surrounded by a ____ field that protects the earth from harmful space particles.

Answer 32

magnetic

Question 33

A phenomenon called _____ occurs in the lower regions of the thermosphere.

Answer 33

airglow

Question 34

A light display seen near the poles caused by the collisions of particles form the solar wind with molecules of air is called an

Answer 34

aurora

Question 35

The aurora borealis is seen in the ____ Hemisphere.

Answer 35

Northern