Chapter 20 - Astronomy - Earth, Sun, Moon

What causes tides on Earth?

• intertia
• Earth's gravity
• Moon's gravity
• Water's gravity

Each day on Earth there will be ______ high tides at each beach.

• 1
• 2
• 4
• 6

When the moon moves directly between the Earth and the sun during a new moon, a ____ may occur.

• Solar Eclipse
• Lunar Eclipse
• Full Moon
• solstice

What is the imaginary line that Earth rotates around?

• rotation
• axis of rotation
• revolution
• axis of revolution

What two things cause seasons on Earth?

• Earth's tilt and rotation
• Earth's tilt and revolution
• Earth's Moon and rotation
• Earth's Moon and revolution

What causes day and night on Earth?

• revolution
• rotation
• seasons
• equinox

Craters are:

• space rocks
• long valleys cause by moonquakes
• dents caused by collisions by space objects
• dents caused by moonquakes

The movement of one object around another object is called

• revolution
• rotation
• eclipse
• spinning

How long does it take the Earth to revolve once around the Sun?

• 7 days (one week)
• 365.26 days
• 1 day (24 hours)
• 4 weeks (one month)

Why do you only see one side of the Moon?

• This is false- we only see one side at a time
• This is false- we see all sides of the Moon eventually
• We are sleeping when the other side is visible
• The moon rotates once on its axis each time it orbits Earth