Science -- Earth, Moon, & Sun

Question 1

____ is a force that pulls objects toward each other.

Answer 1

Gravity

Question 2

_____ is how far north or south of the Equator a place is.

Answer 2

Latitude

Question 3

The lighted part of the moon as it appears from Earth is called a _____.

Answer 3

phase

Question 4

Spinning around means to _____.

Answer 4

rotate

Question 5

_____ is to move around another object.

Answer 5

Revolve

Question 6

An _____ is an imaginary line around which Earth spins.

Answer 6

axis

Question 7

The sun, moon, and stars APPEAR to move across the sky in which direction?

a. North to South
b. South to North
c. East to West
d. West to East

Answer 7

c. East to West

Question 8

Star patterns appear to move across the sky over several months. Why is this so?

a. As Earth rotates, the star patterns appear to rotate.
b. The start patterns are moving in space.
c. As the star patterns move around Earth, their patterns change.
d. As Earth revolves around the sun, its position in space changes.

Answer 8

d. As the Earth revolves around the sun, its position in space changes.

Question 9

Why do seasons occur on Earth?

a. Earth rotates on its axis.
b. Earth revolves around the sun.
c. Earth is tilted on its axis.
d. The moon has gravity.

Answer 9

c. Earth is tilted on its axis.

Question 10

If the Northern Hemisphere is tilted away from the sun, what season is most likely occurring?

a. Summer
b. Winter
c. Spring
d. Autumn

Answer 10

b. Winter

Question 11

How long does it take the Earth to revolve around the sun?

Answer 11

365 1/4 days

Question 12

How long does it take the Earth to rotate on its axis?

Answer 12

24 hours or 1 day

Question 13

How long does it take the moon to revolve around the Earth?

Answer 13

28 days or 4 weeks

Question 14

How long does it take the moon to rotate on its axis?

Answer 14

28 days or 4 weeks

Question 15

TRUE OR FALSE: The moon has strong gravity.

Answer 15

false

Question 16

TRUE OR FALSE: The sun is made of hot gases.

Answer 16

true

Question 17

TRUE OR FALSE: Day and night occur because of Earth’s rotation.

Answer 17

true

Question 18

TRUE OR FALSE: It takes the Earth 365 days to rotate on its axis.

Answer 18

false (24 hours)

Question 19

TRUE OR FALSE: The moon and Earth are the same size.

Answer 19

false

Question 20

TRUE OR FALSE: The sun is a star in our solar system.

Answer 20

true

Question 21

On a clear night, if you cannot see a moon in the sky, what phase is the moon in?

Answer 21

New moon

Question 22

On a clear night, if you can see the entire circle of the moon lit up, what phase is the moon in?

Answer 22

Full moon

Question 23

Mary is making observations about the sun. Which of these could be observations that Mary makes?

a. It is after sunset. The sun is overhead.
b. It is noon. The sun is low in the western sky.
c. It is still dark. The sun seems to be rising from the west.
d. It is early in the morning. The sun seems to be moving in the eastern sky.

Answer 23

d. Early morning; eastern sky