Gravity
Kepler's Laws
Exoplanets
100
Earth's gravitational field lines. (Draw a picture)
What are the arrows in this picture: 
100
The 17th-century German mathematician who came up with laws that described the motion of our planets (FIRST AND LAST NAME)
Who is Johannes Kepler?
100
The definition of an exoplanet
What is "A planet that orbits a star outside of our solar system" ?
200
Gravity gets stronger as this gets larger
What is mass?
200
Kepler's 1st Law
What is: "All planets have an elliptical orbit with the sun at one of two focus points" ?
200
A method used by the Kepler Space Telescope that has found the most exoplanet
What is The Transit Method (Searching for Shadows)?
300
The amount Earth's gravity will get weaker by if you increase your distance to 3 Earth radii away (hint: inverse square law graph)
What is 1/9th weaker?
300
Kepler's 2nd Law
An imaginary line extending from the star to a planet as it orbits sweeps out equal area in equal amounts of time.
300
Exoplanets that are farther away from their star will orbit ______ than planets that are closer to their star.
What is "slower" ?
400
The equation used to calculate the force of gravity
What is this equation:
400
Kepler's 3rd Law
This equation: 
400
The number of exoplanets that orbit this star.
What is "3"?
500
Susie has a mass of 63 kg. This her weight on Earth in units of N.
What is 630 N?
500
The equation to find the orbital radius 'R'
What is this equation:
500
The ORBITAL RADIUS of Kepler-6b.
What is .04 AU? (calculate by finding the orbital time 'T' in years and then plugging into Kepler's 3rd Law to solve for 'R')