Eclipses
Seasons
Day and Night
Moon Phases
Other
100

When the moon is between the Earth and Sun and perfectly overlaps with the sun.

What is a lunar eclipse?

100

The word for Earth's orbit around the sun.

What is a revolution?

100

When the Earth is facing the Sun.

What is daytime?

100

The phase of the moon when the moon is between the sun and the earth.

What is the new moon?

100

The first living thing sent to space.

What are fruit flies?

200

The darkest shadow directly behind a celestial body.

What is an umbra?

200

The season for Northern hemisphere when it is tilted toward the Sun.

What is summer?

200

The term that explains the movement Earth makes when experience day and night.

What is a rotation?

200

The reason why Earth sees different phases of the moon.

What is the perspective on Earth of light reflected off of the moon?

200

The name of the first person in space.

What is Yuri Gagarin?

300

When the moon is on the opposite side of earth from the sun and lines up perfectly with the earth

What is a lunar eclipse?

300

The season for Northern Hemisphere when it is tilted away from the sun.

What is winter?

300

23.5 degrees

What is the tilt of Earth's axis?

300

What 'HE HAY' sees of the moon all the time. 

What is a half lit, half dark moon?

300

When solar flares enter Earth's atmosphere and charge Hydrogen and Oxygen particles.

What is the reason we have auroras?

400

The lighter shadow cast during an eclipse.

What is a penumbra?

400

The term that explains sunlight during summer time.

What is direct sunlight?

400

A term used when daylight and nighttime are equal.

What is an Equinox?

400

The name of the phase of the moon that occurs when the moon is on the opposite side of Earth from the sun.

What is a full moon?

400

The reason why auroras occur closer to the North or South pole.

What is Earth's magnetic field?

500

When the moon overlaps the sun during an eclipse, but it is not totally aligned.

What is a partial eclipse?

500

A specific line on Earth that does not experience seasons.

What is the Equator?

500

A term used to explain longer and shorter daylight.

What is a solstice?

500

The name of the moon phase the occurs right before the moon becomes a new moon again.

What is a waning crescent?

500
Irrigating their farms, salts and minerals from the water. 

What are the benefits of a high tide for a farmer?