Solar System Review

If the Northern Hemisphere of the Earth is experiencing summer, what season would the Southern Hemisphere be experiencing?

The moon has its own light.

• True

• False

Where does the moon's light come from?

• Earth

• Mars

• Sunlight reflects off the moon's surface

What keeps the moon in its orbit?

• The sun's gravity

• Itself

• Gravity between the moon and Earth

About how long does it take the moon to complete a trip around Earth?

• 1 year

• 6 months

• 2 days

• 27.3 days

What is called when the lighted half of the moon directly faces Earth?

• full moon

• half moon

• crescent moon

All the moon's shapes are called the phases of the moon.

• True

• False

A high tide happens when....

• The moon's gravity pulls on the water and makes a bulge on the side facing the moon.

• The moon's gravity pulls weakly on the ocean.

The moon seems to change shape from day to day in a cycle that lasts about a month as it goes through _.

• revolutions
• phases
• rotations
• eclipses

As the moon's shape appears to get smaller, we say that the moon is _.

• swelling
• waxing
• waning
• disappearing