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Phases of the Moon
Moon Facts
Earth, Sun and Moon Facts
Vocabulary
Random
100
This lighted shape of the moon appears to be a whole, lit-up circle.
What is a full moon?
100
This is about how long it takes the moon to revolve around the Earth.
What is 28 days?
100
This is caused by the Earth's tilted axis and by the Earth's orbit around the sun.
What are the four seasons?
100
A lighted shape of the moon that we see from Earth.
What is a phase?
100

This is what a group of stars are called. 

What is a constellation? 

200
This lighted shape of the moon appears as nothing in the sky because it is reflecting away from the earth.
What is the New Moon?
200
This is what causes the moon to appear to be shining.
What is the sun?
200
It takes this long for the Earth to revolve around the Sun.
What is 365 days, or one year?
200
An object that revolves around another object in space.
What is a satellite?
200

A natural satellite of Earth.

What is the moon?

300
This lighted shape of the moon is almost a complete circle but not quite.
What is a gibbous?
300
When the moon seems to be getting smaller, it is doing this.
What is waning?
300
This is the reason the sun looks like it's moving through the sky during the day.
What is the Earth's rotation?
300
The path Earth or another object takes in space as it revolves.
What is an orbit?
300

Important parts of our solar system

What are the Sun, Earth and Moon?

400
This lighted shape of the moon is shown as a sliver.
What is a crescent?
400
This is the amount of the moon that is always facing us, even if we don't see it.
What is half of the moon?
400
It takes 24 hours for this to happen.
What is one rotation of the Earth?
400
To do this is to travel around another object in space.
What is to revolve?
400

This is why we see certain constellations only during certain seasons.

What is the Earth's revolution? 

500
When the lighted shape of the moon is growing, it is called this.
What is waxing?
500
This is the reason the moon seems to move through the sky.
What is the Earth's rotation?
500
These are caused by the position of the sun, earth and moon in relation to one another.
What are the phases of the moon?
500
To do this is to spin around (as Earth does on its axis).
What is to rotate?
500

This is why constellations seem to move across the night sky.

What is Earth's rotation?