
Gravity 7th
Presentation
•
Science
•
7th - 8th Grade
•
Medium
+2
Standards-aligned
Anthony Kaltenbach
Used 15+ times
FREE Resource
8 Slides • 20 Questions
1
Gravity & Motion
What Determines Gravity?
What Keeps Objects in Orbit?
Anthony Kaltenbach
2
Word Cloud
Use a word to describe gravity!
3
A force of attractions between objects due to their mass!
Gravity!
4
Every object in the universe attracts every other object.
Newton's law of universal gravitation!
5
Fill in the Blanks
6
Multiple Choice
Who authored the law of universal gravitation?
Isaac Newton
Albert Einstein
Spongebob Squarepants
Marie Curie
7
Mass is the total inertia of an object. (How much stuff is in an object.) While weight is the measure of the force of gravity.
Mass vs. Weight!
8
Drag and Drop
9
Distance & Mass
What determines the strength of Gravity?
10
Multiple Choice
When 2 objects move closer together...
the strength of gravity increases!
gravity decreases!
nothing changes!
their mass increases
11
Multiple Choice
The more mass an object has...
the more gravity it has.
the more density it has.
the less gravity is has.
the more transparent it becomes.
12
Newton concluded that inertia & gravity combine to keep objects in orbit.
Objects in Orbit!
13
This is a tendency of an object to keep doing what it is doing. If it's in motion--to stay in motion. If it's sitting still--to stay sitting still.
Inertia
14
An object at rest or an object in motion will stay at rest or in motion (at a continuous speed & direction) unless acted upon by an unbalanced force.
Law of Inertia- Newton's 1st law of motion!
15
Multiple Choice
Will throwing a ball to friend ever change direction or speed?
Yes, because air resistance and gravity are outside forces that slow it down & change its direction.
No, because Newton's law tells us that it will not change.
It will only speed up.
It will just keep going forever.
16
Multiple Choice
Newton's first law of motion states:
Objects at rest or in motion will continue that state until something interacts with them.
Everything is static and doesn't move.
All objects have mass.
Everything is moving, all the time.
17
Multiple Choice
The force that causes objects with mass to attract to one another:
Weight
Mass
Gravity
Magnetism
18
Multiple Choice
Gravity can be defined as the –
force of attraction between two or more masses.
friction created when two objects are in contact.
energy given off by stars due to nuclear reactions.
path an object follows as it moves through space.
19
Multiple Choice
As distance between two objects increases, the pull of gravity
Increase
decrease
stays the same
has not effect
20
Multiple Choice
Which of the following will NOT change in different gravities?
Weight
force
mass
pounds
21
Multiple Choice
Why are we attracted to Earth's center and NOT the sun's?
The sun is very LARGE
The sun is very FAR AWAY
Earth has a STRONGER GRAVITY than the sun
Earth ORBITS around the sun
22
Multiple Choice
Two factors affecting the magnitude of the force of gravity between 2 objects are...
weight and mass.
distance and weight.
mass and matter.
mass and distance.
23
Multiple Choice
24
Multiple Choice
25
Multiple Choice
26
Multiple Choice
27
Multiple Choice
28
Multiple Choice
Gravity & Motion
What Determines Gravity?
What Keeps Objects in Orbit?
Anthony Kaltenbach
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