Earth
Seasons
Tides
Eclipses
Moon Phases
100
One full rotation on Earth takes this long.

What is 24 hours?

100

When the northern hemisphere is closer to the sun.

What is summer?

100

During this tide sea levels are below average

What is low tide?

100

The object being blocked during a solar eclipse

What is the Sun?

100

The reason the moon appears to light up.

What is caused by the reflecting the sun's light? 

200

The path Earth follows on its revolution.

What is an orbit?

200

This causes the seasons.

What is Earth's tilt?

200

The amount of low tides in one day.

What is 2?

200
The darkest shadow during an eclipse. (must be here to see the eclipse)

What is an umbra?

200

The phases when the moon is "growing." (on the right side)

What are the waxing phases?

300

This takes 365 days to complete

What is a revolution?

300

The season after summer.

What is fall?

300

This tide occurs in a particular location on Earth in a tidal bulge.

What is high tide?

300

Occurs during a full moon.

What is a lunar eclipse?

300

The phases when 3/4 of the side of the moon facing Earth is lit up. 

What is a gibbous?
400

The Earth spins on this imaginary line

What is an axis?

400

The day of the year that sun is directly over the equator at 12pm in the spring.

What is the spring equinox?

400

This tide causes significant tides (very high or very low)

What is a spring tide?

400

The reason lunar eclipses are more common than solar.

What is the umbra is smaller during a solar eclipse

400

The amount of time it takes for the moon to get through all 8 phases (1 revolution)

What is about a month?

500

The two halves on Earth divided by the equator

What are hemispheres?

500
When the sun appears its highest in the sky in December.

What is Winter solstice.

500

This tide is created when the Earth, Moon and Sun are at a 90 degree angle.

What is a neap tide

500

The reason we don't see eclipses every month.

What is the Moon's orbit is titled?

500


The amount of time between a full moon and new moon.

What is about 2 weeks?