Moon phases
Seasons
Equinoxes and solstices
Rotation and Revolution
sun-earth-moon
100

When none of the moon is lit up.

New moon

100

What causes seasons to occur?

Earthś spin on its axis causes seasons to occur.

100

When does a equinox occur?

On March 21st and september 21st.

100

when earth rotates on its axis it is called what?

Earth´s rotation 
100

When does a solar eclipse happen?

When the moon is between the earth and sun and the moon shadow hits the earth.

200

when half of the moon is lit up.

first quarter

200

What causes spring and summer on earth?

The sun's direct light hitting the earth causes summer and spring.
200

When do solstices occur?

Around June 21st and December 21st.

200

What does the earth orbit?

The sun

200

When does a lunar eclipse happen?

A lunar eclipse occurs when the earth is between the moon and sun and the earthś shadow hits the moon.

300

When the moon is getting brighter but less than half of the moon is lit up.

Waxing cresent

300

Imaginary circle around the middle of the earth.

Equator

300

What is the difference between a equinox and a solstice?

A solstice is the longest and shortest day of the year. An equinox is when we have an equal amount of daytime and nighttime.

300

What does the moon rotate?

The earth

300

The new phase aliment 

sun, moon, earth

400

When the moon is fully lit up.

Full moon

400

An imaginary line that passes through the center of the earth 

Axis

400

What is a solstice?

This occurs twice a year. It is when it earth receives the most amount of daytime or the least amount of daytime.

400

what is a revolution?

when a object rotates around another object.

400

Full moon alighnment

sun, earth, moon

500

When the moon is getting darker and less than half of it is lit up.

Waning Crescent

500

Movement of an object around another object.

orbit/revolution

500

What is an equinox? 

An equinox occurs twice a year when the earthś axis is pointed neither toward nor away from the sun. Which causes a nearly equal night and day.

500

What is revolution of the moon?

When the moon orbits around the earth.

500

What occurs when the earth orbits the sun?

seasons and day and night occur.

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