Science Final: Earth- Sun- Moon System

Question 1

Earth’s rotation takes about
A. 365 days
B. 6 months
C. 24 hours
D. 1 month

Answer 1

C. 24 hours

Question 2

Earth has seasons because
A. its axis is tilted as it moves around the sun
B. the distance between Earth and the sun changes
C. it rotates on its axis
D. the temperature of the sun changes

Answer 2

A. its axis is tilted as it moves around the sun

Question 3

For a solar eclipse to occur
A. the sun must be directly between Earth and the moon
B. the moon must be directly between Earth and the sun
C. the moon must be directly behind the Earth
D. Earth must be directly between the sun and the moon

Answer 3

B. the moon must be directly between Earth and the sun

Question 4

How long does it take the moon to orbit the Earth
A. about one day
B. about one week
C. about one month
D. about one year

Answer 4

C. about one month

Question 5

The two factors that combine to keep Earth and the moon in their orbits are
A. gravity and orbital speed
B. orbital speed and mass
C. mass and inertia
D. gravity and inertia

Answer 5

D. gravity and inertia

Question 6

All objects are attracted to each other by the force of
A. weight
B. mass
C. inertia
D. gravity

Answer 6

D. gravity

Question 7

A giant ball of superheated hydrogen and helium gas is called a
A. planet
B. star
C. comet
D. meteor

Answer 7

B. star

Question 8

During a total lunar eclipse the moon is in Earth’s
A. corona
B. penumbra
C. umbra
D. orbit

Answer 8

C. umbra

Question 9

When the moon is up in the sky but not visible, it is called
A. waxing gibbous
B. blue moon
C. waning gibbous
D. new moon

Answer 9

D. New moon

Question 10

One complete revolution of Earth around the sun takes about
A. one year
B. one month
C. one rotation
D. one day

Answer 10

A. one year

Question 11

During what phase of the moon can a lunar eclipse occur?
A. new moon
B. first quarter
C. waxing gibbous
D. full moon

Answer 11

D. full moon

Question 12

The United States experiences summer when
A. the northern hemisphere tilts away from the sun
B. the southern hemisphere tilts towards the sun
C. the northern hemisphere tilts toward the sun
D. the equator has the most direct sunlight

Answer 12

C. the northern hemisphere tilts towards the sun

Question 13

The tendency of a moving object to continue moving in a straight line or a stationary object to remain in place is called
A. orbital speed
B. mass
C. inertia
D. gravity

Answer 13

C. inertia

Question 14

The strength of the force of gravity depends on
A. the masses of the objects and their speeds
B. the masses of the objects and the distance between them
C. the weight of the objects and their speeds
D. the masses of the objects and their weights

Answer 14

B. the masses of the objects and the distance between them

Question 15

During the new moon and a full moon, earth experiences NEAP tides
True or False?

Answer 15

False: Spring Tides

Question 16

The model with earth at the center is referred to as the _______ model?

Answer 16

geocentric

Question 17

The solstice occurs during the summer and winter
True or False

Answer 17

True

Question 18

When more of the moon appears each night, it is said to be WAXING
True or False

Answer 18

True

Question 19

The times when day and night are equal length is called

Answer 19

equinox

Question 20

A group of stars that people imagine represents a figure or object is called a

Answer 20

constellation

Question 21

tides are caused by the force of __________________ from the moon and sun acting on Earch

Answer 21

gravitydu

Question 22

During a solar eclipse, people in the _____________ only see a partial eclipse

Answer 22

penumbra