Vocab
Seasons
Lunar Phases
Eclipses
More Vocab
100

The central, darker part of a shadow where light is totally blocked.

What is umbra?

100

This is how many times an equinox occurs per year.

What is 2?

100

This is what the new moon looks like.

What is nothing, because you can't see it?

100

A lunar eclipse can only occur during this moon phase.

What is a full moon?

100

The lighter part of a shadow where light is partially blocked.

What is penumbra?

200

When the moon appears to get smaller and smaller each night.

What is waning phase?

200

This is the reason seasons occur?

What is because the tilt of Earth's axis does not change as Earth orbits the sun?

200

The moon phase that has less than half of the Moon lit.

What is crescent?

200

The longest a total solar eclipse can last.

What is 7 minutes?

200

When the moon appears to be getting larger and larger each night.

What is waxing phase?

300

The spin of an object around its axis.

What is rotation?

300

It takes Earth approximately this long to rotate on its axis.

What is 24 hours?

300

The moon phase has about three-fourths of the Moon lit.

What is gibbous?

300

A solar eclipse occurs during this moon phase.

What is a new moon?

300

Spring and fall occur during this.

What is the equinox?

400

The motion of one object around another

What is revolution?

400

There are this many hours of daylight and darkness everywhere on Earth during an equinox.

What is 12?

400

This is how long it takes the Moon to orbit around the Earth.

What is 27.3 days?

400

This is why we don’t see a lunar eclipse every month.

What is because of the tilt of the moon's orbit with relation to Earth's orbit?

400

Summer and winter occur during this.

What is the solstice?

500

The line on which an object rotates

What is rotation axis?

500

The summer solstice occurs in June in the northern hemisphere and in this month in the southern hemisphere.

What is December?

500

This moon phase occurs when the Earth is between the Sun and the Moon.

What is a full moon?

500

This is where you have to be located in order to see a total eclipse.

What is in the umbra?

500

This type of eclipse occurs when the Moon moves directly between the Sun and Earth and throws a shadow on Earth.

What is a solar eclipse?