Moon Phases
Eclipses
Tides
Seasons
More Moon Phases
100

This is the phase of the moon when you see the entire lit side from Earth.

What is a full moon?

100

This type of eclipse is possible when the moon is in the full moon position.

What is a lunar eclipse?

100

This is what causes the tides on Earth.

What is the gravitational pull of the moon and the sun?

100

This is the imaginary line that goes from the north to the south pole.

What is the axis?

100

This term is used when the visible part of the moon is shrinking; the left side is lit.

What is waning?

200

In the first quarter, this half of the moon is visible from Earth.

What is the right side?

200

This type of eclipse is possible when the moon is in the new moon position. 

What is a solar eclipse?

200

This is why the moon plays a larger role in causing the tides on Earth.

What is because it is closer to the Earth than the sun?

200

This is the spinning of Earth on its axis.

What is its rotation?

200

This term is used when more than half of the moon is visible from Earth.

What is gibbous?

300

This term is used when the lit side of the moon is growing on the right.

What is waxing?

300

This is the type of eclipse that will last the longest for an observer on Earth. 

What is a lunar eclipse?

300

This is how the sun, Earth, and the moon are positioned during a spring tide.

What is in a line? (new or full moon)

300

This describes the angle of sunlight hitting Earth during the winter.

What is more spread out? (less direct)

300

This phase is halfway lit on the left side.

What is a third quarter moon?

400

This term is used when you see less than half of the moon from Earth.

What is crescent?

400

This is why you are less likely to see a total solar eclipse.

What is because the moon only makes a small shadow on Earth?

400

This is how the sun, Earth, and the moon are positioned during a neap tide.

What is at a right angle? (first or third quarter)

400

This is a day when the sun is farthest north or south of the equator. It signals the beginning of summer or winter.

What is a solstice?

400

This phase will show you a small portion of the moon on the right side.

What is a waxing crescent?

500

Is this true or false: The same side of the moon is always lit by the sun.

True

500

This is the type of solar eclipse you'll see if you are in the umbra.

What is a total solar eclipse?

500

This is the type of tide that is the most extreme. (highest high tide and lowest low tide)

What is a spring tide?

500

This is a day when day and night are almost exactly 12 hours long.

What is an equinox?

500

This phase of the moon is lit on the left side and is showing more than half of the moon.

What is a waning gibbous?