Earth
Sun
Comets, Meteoroids, and Asteroids
This and That
Random
100

This causes the Earth's seasons.

What is the tilt of the Earth?

100
The word "solar" refers to this object.
What is the "sun"?
100

Mixture of frozen gases, ice, dust, and rock.

What is a comet

100

This keeps the Earth and moon in their orbits.

What is "gravity"?

100
This word describes the Earth spinning continuously.
What is "rotating"?
200

The shape of the Earth

What is a "sphere"?

200
The sun is a big fiery ball of gas called this.
What is a "star"?
200

When a comet approaches the sun this happens to it's tail.

What is it gets longer

200
It takes this long for the Earth to complete on full rotation.
What is 24 hours?
200
This imaginary line goes from the North Pole to the South Pole of the Earth.
What is the "axis"?
300
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
300
The sun rises in this direction.
What is the "east"?
300

A small rocky or metallic object that orbits the sun.

What is a meteoroid 

300

The closest planet to the sun

What is Mercury

300

The 4 inner planets 

What is Mercury, Venus, Earth, and Mars

400
When it is winter in North America, it is this in Australia.
What is "summer"?
400
This occurs when the moon moves between the sun and the Earth, blocking some the the sun's light.
What is a "solar eclipse"?
400

Make up the belt between the inner and outer planets.

What are asteroids?

400

The sun appears higher in the sky during this time of year because of the tilt of the earth.

What is "summer"?

400

The 8th planet from the sun

Neptune 

500
The imaginary line horizontally around the middle of the Earth.
What is the "equator"?
500
This is how the sun's rays strike the Earth in the summer.
What is "directly"?
500

Becomes this when it strikes earth.

What is meteorite?

500

We have this special day every 4 years in February because it takes the Earth 365 and 1/4 days to revolve around the sun.

What is "Leap Year Day"?

500

What holds our solar system together?

What is gravity 

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