Science Unit 8 Quiz

After 24 hours, the Earth has completed one full...

• revolution

• rotation

• axis

• circulation

Which statement best explains how the Earth has 4 seasons?

• The Earth revolves on its axis once a month

• The Earth rotates around the sun every 24 hours

• The Earth is tilted on the axis and revolves around the sun.

• The pull of the moon's gravity changes 4 times a year

Which is true about the Earth's axis?

• Earth tilts on its axis.

• Earth's axis is an imaginary line from the top to the bottom of Earth.

• Earth completes a full turn on its axis once a day, every 24 hours.

• ALL the statements are true.

This picture shows the southern hemisphere is pointing towards the sun getting the most direct sunlight. What does this mean?

• It is daytime in everywhere in the southern hemisphere.

• It is nighttime everywhere in the northern hemisphere.

• It is summer in the southern hemisphere.

• It is winter in the southern hemisphere.

What causes the 8 different moon phases?

• Different amounts of the moon's lit side are seen as the moon revolves around the Earth.

• The moon produces its own light that changes every 30 days.

• The moon's lit side changes as the sun revolves around the moon.

• The moon's lit side changes as the moon tilts on its axis.

What is this picture showing?

• The sun is in between the Earth and the moon, causing a full moon.

• The moon is fully lit by the sun so people are Earth can see a lit full moon.

• Only the back of the moon is lit by the sun, so people on earth have a dark new moon.

• The moon is in between the sun and the Earth, causing winter.

Which vocabulary word is best illustrated in this picture?

• axis

• rotation

• revolution

• tides

In this picture, the moon and the pull of its gravity is above the Indian Ocean. What is the effect of this?

• The Indian Ocean will have a high tide.

• The Indian Ocean will have a low tide.

• The Indian Ocean will have a full moon.

• The Indian Ocean will have a new moon.

How do the moon, earth, and sun move?

• The sun moves around the earth. The moon does not move.

• The moon and the sun move around the earth.

• The earth moves around the sun. The moon moves around the earth.

• The earth and the sun move around the moon together.

When do we have daytime?

• when the northern hemisphere is tilted for most direct sunlight

• when our side of the Earth is facing the sun as Earth rotates on its axis

• when the sun reflects the moon's light

• when the moon orbits and is not blocking the sun's light to Earth