That's no Moon...
Late Great Planet Earth
Here Comes the Sun
Captain Planet
Wild Card
100
The reason humans cannot survive on the Moon
What is "no oxygen?"
100
This causes the day/night cycle on Earth
What is the Earth's rotation?
100
The center of our solar system
What is the Sun?
100
This is the number of planets in our solar system
What is eight?
100
To move around another object
What is a revolution?
200
The approximate size of the Moon in relation to the Earth
What is one quarter?
200
This takes 365 days and is measured as one Earth year
What is revolution?
200
The Sun's state of matter
What is gas?
200
The name for the four planets Mercury, Venus, Earth, and Mars
What is "the inner planets?"
200
To spin around oneself
What is rotation?
300
The approximate number of days it takes the Moon to rotate and revolve around Earth
What is 27-28 days?
300
The name for the imaginary line running through the planet
What is an axis?
300
The approximate number of Earths that could fit inside the Sun
What is "a million?"
300
The outer planets
What are Jupiter, Saturn, Uranus, and Neptune?
300
The path an object takes around another
What is orbit?
400
What the moon's gravitational pull causes on Earth
What are the tides?
400
Earth's only natural satellite
What is the moon?
400
The approximate number of Earths that would fit along the diameter (width) of the Sun
What is about 108 - 110?
400
This separates the inner and outer planets
What is the asteroid belt? 
400
The closer that a planet is to the Sun the shorter this distance is
What is an orbit?
500
This causes the appearance of moon phases
What is the moon's revolution around the Earth?
500
The direction of the Earth's rotation
What is counter-clockwise?
500
This gives the Sun its strong gravitational pull
What is its mass?
500
BONUS JEOPARDY!


Name the order of the planets.

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
500
The collection of planets, asteroids, and comets held in orbit by the gravitational force of the Sun.
What is the Solar System?