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Flashcards in Test 7 Deck (35):
0

The sun is ____ miles from the earth.

93,000,000

1

The atmosphere of the sun is called the what?

chromosphere

2

The surface layer of the sun which is visible only during a total eclipse is called the what?

corona

3

The innermost section of the sun is called the what?

core

4

Darker areas on the outer surface of the sun are called what?

sun spots

5

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

a solar eclipse occurs

6

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

corona

7

When the moon travels through the earth's shadow, what occurs?

a lunar eclipse occurs

8

The light of the moon comes from what?

the sun

9

When the moon is gibbous, it is doing what?

bulging

10

Be able to match the phases of the moon with pictures

New Moon, Third Quarter, Crescent, First Quarter, Gibbous, Full Moon

11

Be able to identify the following constellations. Look at the pictures in your book to study.

Herdsman, Scorpion, Orion, Big Dog, Great Bear, Southern Cross

12

the largest planet in the solar system

Jupiter

13

the planet discovered by Sir William Herschel

Uranus

14

the only planet suitable for life

Earth

15

the closest planet to the sun

Mercury

16

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

Saturn

17

the planet with the Great Red Spot

Jupiter

18

the brightest planet in the sky

Venus

19

the planet that is tipped over on its side

Uranus

20

Earth's "twin planet"

Venus

21

the "red planet"

Mars

22

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

Neptune

23

Seventy-eight percent of the air is the gas....

nitrogen

24

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

15

25

The layer of atmosphere closest to the earth is the ___.

troposphere

26

The layer of atmosphere where all weather occurs is the ____.

troposphere

27

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

ozone layer

28

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

mesosphere

29

The topmost layer of the atmosphere is the ____.

ionosphere

30

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

rarefied

31

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

magnetic

32

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

airglow

33

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

aurora

34

The aurora borealis is seen in the _____ Hemisphere.

Northern