Kepler's Laws

Planets orbit the Sun in a shape called a(n)

• circle
• ellipse
• focus
• perihelion

The place where a planet is closest to the Sun as it orbits the Sun is called the

• perihelion
• aphelion

The place where a planet is farthest away from the Sun in its orbit around the Sun is called the

• aphelion
• perihelion

Where is the planet moving faster

• Position A to B
• Position B to C
• Position H to I
• Position I to J

Kepler's 2nd Law deals with 

• the shape of the planets' orbits
• the speed/area the planet travels 
• the length of time it takes the planet to orbit the sun

A planet moves __________ when it is farthest from the sun.

• faster
• slower

Kepler's first law states that the orbits of the planets are oval in shape or 

• ellipses
• perfect circles

The farther away a planet is from the sun, the _______ it takes it to orbit the sun once. 

• longer
• shorter

Which term describes when the Earth spins on its axis.

• Rotation
• Revolution
• Kepler's Laws
• Precession

Which term describes the time it takes for Earth to complete one circle around the sun.

• Rotation
• Revolution
• Kepler's 1st Law
• Barycenter