Match the following terms to their definitions.

question 1 options:

light year

gravity

acceleration

orbit

ellipse

1.
the path an object as it revolves around another object in space.

2.
an attractive force that pulls objects that have mass towards each other-ex: the earth pulls on us with this force.

3.
a change in velocity - either increasing or decreasing- or changing direction.

4.
an oval that is traced around 2 center points - making it longer or more oblong than other ovals.

5.
lightyear