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100

It is made up of the Sun and its family of nine planets

What is the solar system?

100

These objects produce and give off their own heat and light.

What are the stars?

100

The planet is 8th from the Sun. It can only be seen through a telescope. Little is know about this distant planet.

What is Neptune?

100

These are patterns of stars in the sky that, to some people, seem to be in the shapes of pictures.

What are constellations?

200

These are chunks or rock and metal that orbit between the planets

What are asteroids?

200

This is the center of the solar system. The planets revolve around it.

What is the sun?

200

The planet is called the morning or evening star becasue it appears in the sky just before or after sunrise.

What is Venus?

200

These have a bright head and long shining tail. They shine partly because of light absorbed and re-radiated from the Sun and partly because of reflected sunlight.

What are comets?

300

These are loose collections of rocks and frozen gases that orbit between planets?

What are comets?

300

This is the galaxy that we live in.

What is the Milky Way?

300

This planet is the 7th from the Sun. Unlike other planets, this planet lies on its side. It is greenish in color and has nine faint rings with five moons orbiting the planet.

What is Uranus?

300

This is how long it takes the moon to circle Earth.

What are 24 hours?

400

This is a body that does not give off light of its own. It reflects the light of the sun.

What is a planet?

400

The planet closest to the Sun.

What is Mercury?

400

The planet is 6th from the sun. It is best known for its beautiful rings that circle the planet.

What is Saturn?

400
This is how long it takes the moon to circle Earth.
What are 24 hours?
500

The body tralvels around Earth. It is known as the Earth's satellite.

What is the moon?

500

This is the planet furthest away in our Solar System.

What is Pluto?

500

The planet is fifth from the sun. It is the largest planet and known for its beautiful colors and its Red Spot.

What is Jupiter?

500
This is how long it takes Earth to circle the Sun.
What are 365 days?
500
This is another name for the study of space.
What is astronomy?