Vocabulary
Gravity
Graphs
Planets
Check on learning
100
A measure of how much matter is in an object.
Mass
100
Earths orbit moves in what direction around the sun?
Counter-clockwise
100
Which planet is the closest to the sun?
Mercury
100
What planet would you weight the most on?
Jupiter
100
True or false: Mass changes as the location changes.
False
200
The path of an object as it revolves around another object in space.
Orbit
200
All masses on earth are pulled to the _________ of earth.
Center
200
Which planet is equivalent to earth as far as diameter goes?
Venus
200
What is the gravitational pull on earth
9.8 m/s2
200
Every object exerts a pulling force of attraction on every other object. This force is known as
Gravity
300
The tendency of an object to resist a change in motion.
Inertia
300
As a rocket leaves earth. The mass of the rocket does what as it leaves earth.
Does not change
300
Pluto is equivalent to what other planet?
Mercury
300
All planets orbit around the ______
Sun
300
As the distance between two objects increases, the gravitational force between them ___
Decreases
400
Any influence, such as a push or a pull, that causes an object to move or change its speed, direction, or shape?
Force
400
The sun is orbiting a super massive _______
Black hole
400
The gravity on Mercury is equivalent to what planet?
Mars
400
Why does Jupiter have the highest surface gravity?
Because it has the biggest mass of all the planets
400
As mass increases, Gravity _________
Increases
500
Anything that has mass and takes up space
Matter
500
Newtons Law of Universal gravitation state there are 2 main things that affect how strong the gravitational pull is? what are they
Mass – The more mass an object has, the stronger its gravity.
Distance – The farther apart two objects are, the weaker the gravitational pull between them.
500
Why does Jupiter have the most gravity. 
Because
500
All planets including the sun orbit around what?
A super-massive black hole
500
When an Astronaut travels to the moon what is his effect on his mass and weight?
Mass will stay the same, but weight will decrease