The Sun
The Earth
The Moon
The Solar System
Night & Day
100

This is what the sun is made out of.

What is gas?

100

This is Earth's nickname.

What is the Blue Planet?

100

This is what the moon is made out of.

What is rock?

100

The Earth does this around the sun.

What is revolve?

100

Spinning around on an axis.

What is rotation?

200

These are the elements of which the sun is composed.

What are hydrogen and helium?

200

This is the kind of object that moves around a star.

What is a planet?

200

This is what is left on the surface of the moon when it is struck with a meteor.

What is a crater?

200

Any object that revolves around another in space.

What is a satellite?

200

An imaginary line that goes through a planet from pole to pole.

What is an axis?

300

This is the average surface temperature of the sun.

What is 5,500° C?

300

This is the Earth's diameter.

What is 12,742 km?

300

This is the diameter of the moon.

What is 3,475 km?

300

The force of attraction between all objects.

What is gravity?

300
This causes day and night.

What is the rotation of the Earth?

400

This makes the sun glow and provides Earth with heat and light.

What is energy?

400

This is what keeps Earth's water from freezing or evaporating into space.

What is its thick atmosphere?

400
This is how the moon casts light on the Earth.

What is reflecting the sun's light?

400

This object's gravitational pull keeps the solar system's many parts from flying off into space.

What is the sun?

400

The time it takes for Earth to complete one rotation.

What is 24 hours?

500

These explode from the surface of the sun out into space.

What are solar flares?

500

This is what makes the Earth unique in all the universe.

What is life?

500

This composes the moon's atmosphere.

What is nothing?

500

The planets orbit the sun in this direction.

What is counterclockwise?

500

The reason the North Star does not appear to move in the sky.

What is, it is located on Earth's axis, directly above the North Pole?

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