Sun Earth Moon Review

Seasons on Earth are caused by the _____ of the earth around the Sun.

• Revolution
• Rotation
• Orbit
• Tilt

How long does it take for EARTH to complete one full rotation on its axis?

• 2 days
• 24 hours
• 65 days
• 365 days

How long does it take for the MOON to complete one full lunar cycle?

• 365 days
• 28 days
• 10 days

What forces keep the moon and Earth in orbit around the Sun?

• Inertia and mass
• Mass and gravity
• Inertia and gravity

On Earth, a package weighs 25 pounds with a mass of 200 grams. What would its mass be on Saturn?

• 4,000 grams
• 200 grams
• 2,000 grams

The different shapes of the moon that we see from Earth are called______

• Moon phases
• Eclipses
• Sun phases

How much of the entire moon can we actually see from Earth at any given time?

• All of it
• Half of it

The axis of Earth is

• Vertical (up and down)
• Horizontal (side to side)
• 5 degrees tilted

When the lit part of the moon that we see appears to "grow", we call it a ________ moon.

• Gibbous
• Waning
• Crescent
• Waxing

The moon in this picture is a.....

• Waxing Crescent
• Waxing gibbous
• Waning crescent
• Waning gibbous