Study Guide For Earth Moon And Sun Test

Question 1

Describe what happens during a lunar eclipse.

Answer 1

A lunar eclipse occurs when the moon passes behind Earth, into it’s shadow and can only happen when the Sun, Earth, and Moon are aligned

Question 2

What phase of the moon does a lunar eclipse occur during?

Answer 2

Full Moon

Question 3

What shadow causes a lunar eclipse?

Answer 3

Umbra

Question 4

Describe what happens during a solar eclipse

Answer 4

A solar eclipse occurs when the moon moves in front of the sun and gets dimmer and dimmer outside when more and more of the moon covers the sun

Question 5

What phase of the moon does a solar eclipse during?

Answer 5

New Moon

Question 6

What shadow causes a solar eclipse?

Answer 6

Penumbra

Question 7

Umbra

Answer 7

Fully shaded inner region of a shadow; darkness; dark central part of a sunspot

Question 8

Penumbra

Answer 8

Partially shaded outer region of a shadow; less dark part of a sunspot

Question 9

What shape are the orbits of planets?

Answer 9

Elliptical

Question 10

What is the most common theory of how the solar system formed?

Answer 10

Big Bang- (nebular)

Question 11

Revolution

Answer 11

Revolution is the movement of one object around the center of another object; Movement of the Earth around the Sun

Question 12

What type of galaxy is our galaxy?

Answer 12

Spiral Galaxy

Question 13

Gravitation pull of galaxies

Answer 13

Closer the objects are, the stronger the gravitational pull is

Question 14

Order of the planets.

Answer 14

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune Pluto

Question 15

Position of the moon for each phase

Answer 15

Full moon happens when the moon is on the opposite side of Earth from the Sun

Question 16

Description of moon phases

Answer 16

Waning Gibbous happens between Full Moon and Third Quarter phases.

Question 17

Waxing and waning

Answer 17

Waxing means increasing and Waning means decreasing

Question 18

Moons rotation

Answer 18

The Moon orbits the Earth once every 27.322 days. It takes 27 days for the moon to rotate one time on its axis

Question 19

Moon revolution

Answer 19

Moon completes one revolution around Earth in about 27.32 days

Question 20

Why do we see the same surface of the moon?

Answer 20

Because the moon rotates around the Earth, at the same speed as it rotates around it’s axis

Question 21

Direct and indirect sunlight and seasons

Answer 21

When the Northern Hemisphere of Earth leans away from the Sun, it gets more indirect sunlight. The tilt of the Earth affects the length of the days and also the amount of direct sunlight given during seasons

Question 22

Length of rotation

Answer 22

Earth rotates every 24 hours

Question 23

Length of revolution

Answer 23

Takes 135 1/4 days to complete one revolution

Question 24

Cause of seasons

Answer 24

Tilt of the Earth’s axis

Question 25

Tilt of earth on axis

Answer 25

23.5 degrees

Question 26

Solstices

Answer 26

When the Sun reaches it’s highest or lowest point in the sky

Question 27

Equinoxes

Answer 27

When the sun crosses the equator, day and night are equal length

Question 28

Seasons in hemispheres

Answer 28

Seasons in Northern Hemisphere are opposite from the seasons in the Southern Hemisphere