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100

What is the path the Earth follows as it revolves around the Sun?

Orbit

100

What shape is the Earth's orbit?

Ellipse

100

High tides are caused by

The Moon's gravity pulling on Earth on one side

100

The Moon is full of craters because of

Billions of years of impacts

100

________ of the Moon is always lit up by the Sun.

Half
200

Why does the Moon shine?

Reflects the light of the Sun

200

What does waxing mean in terms of the Moon Phases?

Increasing, growing larger

200

Any time the Moon or the Earth passes in front of the Sun it causes an

Eclipse

200

Why is the Earth not full of impact craters from asteroids or meteors landing on its surface?

Eroded away by wind and water

200

What does the word 'gibbous' mean?

More than half, but not full

300

This celestial object in the night sky always evolves and appears to change shape

The Moon

300

What does waning mean in terms of the Moon Phases?

Decreasing, growing smaller

300

A lunar eclipse is when

Earth casts a shadow on the Moon

300
During a New Moon, the Moon passes between the Earth and the Sun, blocking sunlight from Earth. This is a ____________.

Total Solar Eclipse

300

The lighted side faces Earth. It is very bright from the sunlight reflecting off of it. What phase is this?

Full Moon

400

How many phases are there in the Moon Phase Cycle?

8

400

What are tides?

Changing levels of water in Earth's oceans and seas

400

A solar eclipse is when

The Moon casts a shadow on Earth

400

Why does every little meteorite make a mark on the Moon?

The Moon does not have wind, water, or an atmosphere

400

After the New Moon, the crescent will grow larger and larger every day. What phase is this?

Waxing Crescent

500

Approximately, how long does it take for it to complete the entire cycle?

27 days

500

The force of attraction between all masses in the universe is

Gravity

500

If the Moon passes completely into the total shadow of the Earth, a ________ happens.

Total Lunar Eclipse

500

List the Moon phases in order in which they occur.

New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter, Waning Crescent

500

After the Full Moon, but before the Last Quarter, the amount will grow smaller and smaller. What phase is this?

Waning Gibbous

600

The Moon casts a shadow on Earth, causing the Sun to go dark. This is how and when a __________ happens.

Solar Eclipse

600

What do we see as the Moon orbits the Earth?

We see different parts of the lighted area

600

Lighted side faces away from the Earth. It is very dark so we often see nothing. What phase is this?

New Moon

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