Solar System
Inner Planets
Outer Planets
Life in the Solar System
Miscellaneous
100
This is the unit used to measure large distances within the solar system.
What is the astronomical unit?
100
These are the inner planets in order starting near the Sun.
What are Mercury, Venus, Earth, and Mars?
100
These are the outer planets.
What are Jupiter, Saturn, Uranus, and Neptune?
100
This is the name of life on other worlds.
What is extraterrestrial life?
100
This group of four planets are small and rocky.
What are the inner planets?
200

True or false: Sharks appeared on earth before tree did.

True. Sharks date back around 400 million years, while the first trees evolved about 90 million years later.

200
This planet is the only planet known to have water in the liquid, gas, and solid states.
What is Earth?
200
This is the largest planet in the solar system.
What is Jupiter?
200
These are three main places where scientists are searching for possible extraterrestrial life.
What are Mars, Europa, and Titan?
200
This planet has the most complex ring system.
What is Saturn?
300
After the formation of the sun, the planets were formed from these.
What are gas, ice, and dust?
300
This planet has no true atmosphere.
What is Mercury?
300
The methane on these planets absorbs the red and yellow light, while it reflects the blue and green light.
What are Uranus and Neptune?
300

True of false: octopus have 4 hearts?

False, they have three
300
Draw a label the three parts of a comet.
What is drawing with labels including coma, nucleus, and tail?
400

This planet has the shortest revolution?

What is Mercury?

400
This is the hottest planet in the solar system, due in part to a greenhouse effect caused by the carbon dioxide in the atmosphere.
What is Venus?
400
This planet has more than 60 moons and can be distinguished by its bands of white, red, tan, and brown.
What is Jupiter?
400
This is a reason that Mars might be a good place to look for extraterrestrial life?
What is it once may have had liquid water?
400
You can find the most asteroids in a belt between these two planets?
What are Mars and Jupiter?
500
This is the name for planets orbiting other stars.
What is extrasolar planet?
500
This planet has polar ice caps and its color is a result of iron oxide in some of the weathered rocks.
What is Mars?
500
This planet is the seventh planet from the sun.
What is Uranus?
500
This is a reason that Europa might be a good place to look for life.
What is liquid water?
500
This planet has the longest revolution.
What is Neptune?
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