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Unit 2 Solar System Review game Flashcards | StudBud
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Unit 2 Solar System Review game
Unit 2 Solar System Review game
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A review of gravity and orbits.
Flashcards
43 cards
F
Practice quiz
P
Host live
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Questions
43
Answers
1
Between which two objects is the force of gravity the
strongest
?
A
B
C
2
Which of the following objects is exerting a gravitational force on the floating tool?
Moon
Earth
astronaut
Sun
3
The 2 forces here must be _______ in order to maintain orbit.
balanced
stable
tied
offset
4
What is gravity?
A giant burrito
A net force
The force that pulls objects together
A force that puts objects apart
5
What does the phrase "
support with evidence
" mean?
to provide an explaination
to use specific numbers or facts to prove the answer
to show a relationship between 2 things
6
Which word best completes the sentence? All objects with _________ have gravity.
distance
volume
mass
space
7
Why is Venus's orbit faster than Earth's orbit?
it's rotation is very slow
Venus's orbit is shorter and closer to sun
Venus's orbit is more elliptical
it has a thicker atmosphere
8
A planet is orbiting a star. What would happen to the planet if suddenly there was no gravity?
The planet would fly in a straight line.
The planet would continue to orbit.
The planet would fly in a curved path.
9
Gravitational pull is based on mass and distance between object.
True
False
10
Which word best completes the sentence? Gravity is a force of ________________.
attention
motion
attraction
connection
11
Does an object in motion has inertia?
True
False
12
What would most likely happen if a person standing on Earth threw this object?
It would begin to orbit a more massive object like the Earth
It would fly in a straight line until gravity pulled it down
13
Between which two objects is the force of gravity the
weakest
?
B
A
14
Select the 2 factors that combine to keep the planets in orbit around the sun.
stellar force
inertia
solar gas
gravity
15
What holds all the stars, planets, dust, and gasses together in the universe?
gravity
inertia
friction
heat
16
What can be done to
increase
the force of gravity between these two objects?
Increase the distance between them.
Decrease the distance between them.
17
This physicist invented the idea of gravity, force, and inertia.
Johannes Kepler
Isaac Newton
Marie Currie
Galileo Galilei
18
Does the mass or weight change on different planets?
Mass
Weight
19
The revolution of planets _______ the closer they are to the Sun because the orbit is shorter.
Stops
Increases
Decreases
Rotates
20
You are riding a bike and hit the brakes way too hard. The bikes stops....you don't...This is due to _____________.
friction
inertia
gravity
orbit
21
As the planets get farther from the sun, their gravitational force decreases.
False
True
22
Between which objects is the force of gravity the
strongest
?
B
C
A
23
How many Astronomical Units (AU) is the Earth from the Sun?
1
66,616
29.78
24
Between which two objects is the force of gravity the
weakest
?
B
A
25
As mass increases, gravitational force _____.
disappears
increases
decreases
26
If a moon was pushed far away by an asteroid, why might the moon
not
orbit the planet anymore?
The gravity between the planet and moon would be stronger.
The gravity between the planet and moon would be weaker.
27
Are mass & weight the same?
Maybe
No
What are we talking about?
Yes
28
Which of the following is the best definition of
orbit
?
to continually spin in one place in a circular path
to continually move around another object in a circular path
29
As distance increases, gravitational force _____.
disappears
decreases
increases
30
The Sun and all objects bound by gravitiational force to the Sun are called the
universe
galaxy
nebulae
solar system
31
What is mass measured in?
Centimeters
Kilograms
Meters
Newtons
32
As objects gain mass, their gravitational force:
distance between objects
decreases
increases
law of universal gravitation
33
Any object with mass has inertia
False
True
34
In a car accident, a seat belt helps prevent injuries by applying a force
in the opposite direction of the passenger's motion
greater than the force of the moving car
less than the force of the moving passenger
in the same direction as the car's motion
35
What would most likely happen if a star suddenly became far more massive?
The planets orbiting it would get pulled into the star.
The planets orbiting it would move in a straight line.
The planets orbiting it would move farther away.
36
What is the force of gravity on an object called?
inertia
weight
mass
gravity
37
_____ is a measure of gravitational force on a body's mass.
weight
newtons
mass
kilograms
38
Two trees grow as many years go by. What slowly happens to the force of gravity between them?
It decreases
It increases
39
What causes an object in space to orbit?
The orbiting object moves forward while gravity pulls on it.
The orbiting object moves in a straight line forever.
40
A planet's orbit depends on ____ and _____.
mass, diameter
speed, gravity
inertia, gravity
inertia, mass
41
Between which two objects is the force of gravity the
strongest
?
A
B
42
Mass and distance from the sun determine a planet's __________.
speed
gravity
diameter
orbital path
43
What determines the strength of the gravitational force?
The mass of the first object
All 3
The mass of the second object
The distance between the objects
