Name ______Class ______Date ______

Earth, Sun, and Moon Test Review – 8th Grade Science

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____1.Which of these factors is most responsible for causing variations in the length of day and night on Earth?

a. / The distance between the sun and Earth. / c. / 23.5 degree tilt of Earth on its axis.
b. / The distance between the moon and Earth. / d. / The elliptical orbit of Earth.

____2.Approximately how long does it take for the Earth to rotate once?

a. / 365 days / c. / 18 hours
b. / 12 months / d. / 24 hours

____3.Why do we always view the same side of the moon from Earth?

a. / The moon does not rotate / c. / The moon rotates at the same rate as its revolution.
b. / The gravity is stronger on our side of the moon. / d. / The Earth rotates at the same rate as the moon.

____4.What causes day and night on Earth?

a. / The revolution of Earth around the Sun. / b. / The rotation of Earth on its axis.
b. / The moon revolving around Earth / d. / The Sun moving around Earth.

____5.Approximately how long does it take Earth to revolve around the Sun?

a. / 24 hours / c. / 28 days
b. / 365 days / d. / 10 months

____ 6. The movement of the Earth spinning on its axis -

a. / occurs in a month / c. / is a rotation
b. / occurs in a year / d. / is a revolution

____7.If the North Pole is pointed toward the Sun, what season is it in the northern hemisphere?

a. / winter / c. / summer
b. / spring / d. / fall

____8.If the South Pole is pointed away from the Sun, what season is it in the southern hemisphere?

a. / winter / c. / summer
b. / spring / d. / fall

____9.What causes the seasons on Earth?

a. / tilt only / c. / tilt and revolution of the Earth
b. / revolution only / d. the rotation of Earth.

10. Label the Equinoxes and the Solstices on the diagram below.

____11.At what position above would the Northern Hemisphere experience spring?

a. / Position A / c. / Position C
b. / Position B / d. / Position D

____12.At what position above would the Northern Hemisphere experience summer?

a. / Position A / c. / Position C
b. / Position B / d. / Position D

____13.The Northern Hemisphere would most likely experience winter conditions when the Earth is at -

a. / position A / c. / position C
b. / position B / d. / position D

____14.What happens to the tides when the moon, sun, and Earth are aligned?

a. / The Earth experiences only low tides. / c. / The Earth experiences only high tides.
b. / The Earth experiences the smallest difference between low and high tide. / d. / The Earth experiences the biggest difference between low and high tide.

____15.Which of these facts listed about the Earth/Sun/Moon system is least responsible for the cyclical phases of the moon?

a. / The moon’s surface reflects light. / c. / The Earth’s north pole points towards Polaris (North Star)
b. / The sun produces heat energy / d. / The moon revolves around the Earth.

____16.How long does it take the moon to revolve once around the Earth?

a. / 1 day / c. / 28 days
b. / 7 days / d. / 1 year

____17.When the Sun, Earth, and moon perfectly align, Earth casts a shadow on the moon. This is when a ______occurs.

a. / Lunar Eclipse / c. / Waning Gibbous
b. / Solar Eclipse / d. New Moon

____18.The equator receives _____ sunlight, while the poles receive ______sunlight.

a. / direct, indirect / c. / indirect, direct
b. / Indirect, indirect / d. direct, direct

____19.As you move away from the equator it gets colder because

a. / There is less direct sunlight / c. / The equator is closer to the sun
b. / There is more direct sunlight / d. The poles are closer to the sun

____20.Which of these answers best describes the revolution and rotation periods of the moon?

a. / 28 day revolution, 1 day rotation / c. / 365 day revolution, 1 day rotation
b. / 28 day revolution, 28 day rotation / d. / 365 day for both

____ 21. Complete the following analogy. Waxing: ______; Waning: ______

a. / Growing: Shrinking / c. / Full: New
b. / Shrinking: Growing / d. / New: Full

Use the diagram to answer questions 22-25.

____22.The phase of the moon that could replace letter Y in the diagram is ---

a. / / c. /
b. / / d. /

____23.The phase of the moon that could replace letter X in the diagram is ---

a. / / c. /
b. / / d. /

____24.During phase X of the lunar cycle, the moon reflects ---

a. / large amount of light / c. / a crescent shape of light
b. / the same amount of light as in phase Y / d. / little to no light

____25.During phase Y of the lunar cycle, the moon reflects ---

a. / large amount of light / c. / a crescent shape of light
b. / the same amount of light as in phase X / d. / little to no light

Use the diagram to answer questions 26 -30.

_____ 26. Which of the following phases is the moon in at location 1?

A. Full MoonC. First Quarter

B. New MoonD. Last Quarter

_____27. Which of the following phases is the moon in at location 2 and 4?

A. Full MoonC. Quarter

B. CrescentD. Gibbous

_____ 28. Which of the following phases is the moon in at location 3?

A. Full MoonC. First Quarter

B. New MoonD. Last Quarter

_____ 29. At which positions would a spring tide occur?

A.Position 1 and 3C. Position 1 and 2

B.Position 2 and 4D. Position 3 and 4

_____ 30. At which positions would a neap tide occur?

A.Position 1 and 3C. Position 1 and 2

B.Position 2 and 4D. Position 3 and 4