Space and Astronomy

A force which tries to pull two objects toward each other. It's usually measured in kilograms.

a system of many stars, together with gas and dust, held together by gravitational attraction

periodic rises and falls of large bodies of water caused by the moon's gravitational attraction

"For every action, there is an equal and opposite reaction" is what law of motion?

the path that an object takes in space when it goes around a star, a planet, or a moon

a real or imaginary line on which something rotates

Objects remain at rest or in motion in a straight line unless acted upon by an external force

a celestial body that makes an orbit around a planet

A push or pull upon an object resulting from the object's interaction with another object is...

The science that deals with matter, energy, motion, and force is called...

A property of matter that causes it to resist changes in velocity (speed and/or direction) is

New, full, half, quarter, waxing gibbous, waning gibbous, waxing crescent & waning crescent

2 objects attract each other with a force that is proportional to the product of their masses

a measure of the amount of matter in an object is its...

What 3 criteria are needed for a celestial body to be considered a planet?

the acceleration of an object is directly proportional to the net force acting on it...

The gravitational force that is pulling on an object and the object's mass can determine its...

a star & everything that orbits around it, including planets, moons, asteroids and comets is a

the movement of one object around a center or another object

The person who discovered and studied the law of inertia in the seventeenth century was...

A huge ball of gas held together by gravity. Provides heat and light energy.

a small, celestial or man-made body orbiting around a planet or star is a...

the process or act of turning or circling around something

This scientist & mathematician developed 3 laws of gravity. He also studied physics and motion

branch of science which deals with celestial objects, space, & the physical universe as a whole