Planetary Motion Review

Front

Any push or pull on an object.

Back

force

Front

The force of attraction between all matter.

Back

gravity

Front

Gravity is increased with...

Back

greater mass & shorter distance

Front

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

Back

ellipse

Front

An ellipse is drawn around two points called

Back

foci

Front

When a planet orbits the Sun, one of the foci of the elliptical orbit is 

Back

the Sun

Front

Where is the planet moving faster? Options: Position A to B, Position B to C, Position H to I, Position I to J

Back

Position A to B

Front

What has an eccentricity of zero? Options: a straight line, a large ellipse, a circle, a small ellipse

Back

a circle

Front

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

Back

slower

Front

The path a planet travels around the sun is called its

Back

orbit