Solar System
meteor/comet/asteroid
gravity
Orbital Path
Space Travel
100

The largest planet in our solar system.

What is Jupiter?

100

Celestial body made of rock, dust, and ice that revolves around the sun.

What is a comet?

100

Force that pulls objects toward the center of mass.

What is gravity?

100

The planet with the shortest orbital path.

What is Mercury?

100

An Unmanned space craft that can travel where it's too dangerous for people to go.

What is a probe?

200

The planet closest to the Sun.

What is Mercury?

200

Chunk of rock floating between Mars and Jupiter.

What is an asteroid?

200

Celestial body in our solar system with the most gravity.

What is the Sun?

200

The planet with the longest orbital path.

What is Neptune?

200

The mission that landed the first American on the moon.

What is the Apollo 11 mission?

300

The "inner planets" terrain.

What is rocky, solid, and terrestrial?

300

Bits of meteor that make it to the ground.

What is a meteorite?

300

The planet with the most gravity.

What is Jupiter?

300

The season when Earth is closest to the Sun.

What is summer?

300

Space craft dedicated to learning how to solve the problems of people being able to live in space.

What is the International Space Station?

400

The "outer planets" terrain

What is gaseous, cold, and big?

400

Chunks of meteoroids that enter our atmosphere and usually burn up.

What is a meteor?

400

The object that falls fastest: bowling ball, or tennis ball.

What is neither. All objects fall at the same rate. 

400

The season when Earth is traveling away from the sun on its orbital path.

What is Fall?

400

A space craft designed to carry astronauts and be reusable.

What is the Space Shuttle?

500

The gases in our sun.

What is hydrogen and helium?

500

Chunks of rock flying through space outside of our atmosphere in the void of space.

What are meteoroids?

500

What would happen if the sun's gravity disappeared.

What is all planets would fly off out of their orbital paths into space. 

500

The length of time for the potential 9th planet to make one revolution around the Sun.

What is 15,000 years?

500

The two space shuttle missions that ended in all crew members dying.

What is Challenger, and Columbia?