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6th Grade Gravity and the Solar System Flashcards | StudBud
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6th Grade Gravity and the Solar System
6th Grade Gravity and the Solar System
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1
Which correctly describes the gravity between objects in the solar system?
objects far from the sun are not able to pull on other objects
Objects with a large mass pull with more force than smaller massed objects
objects far apart pull on each other more strongly than objects closer
objects in motion are not affected by gravity
2
The planets and other objects in the solar system stay moving in their ______because of the pull of gravity on them
force
gravity
orbit
planet
3
What is the star at the center of our solar system called?
North Star
Moon
Earth
Sun
4
What is the force responsible for pulling objects towards each other?
orbit
gravity
friction
inertia
5
T/F: Mass is the same thing as weight
True
False
6
As a general rule, planets with lots of moons are also:
near the Earth.
small.
large in diameter.
near the Sun.
7
Which of the following would cause gravity to become weaker?
a decreased distance between 2 objects
an increased distance between 2 objects
nothing weakens gravity
a lot of mass
8
What term describes a force of attraction between 2 objects due to their mass?
friction
gravity
magnetism
inertia
9
What determines the strength of gravity?
Mass and Newtons
Mass and Distance
Distance and Magnats
Distance and Plants
10
How does the Sun's gravity affect the shape of our Solar System?
The planets revolve in long narrow ellipses.
It makes it a spiral shape
All planets orbit the Sun in different directions.
Planets revolve around our Sun in their own almost circular orbits
11
Why is gravity acting on the outer planets of our solar system not as strong as the inner planets?
The outer planets are further away and therefore gravity is weaker
The inner planets are smaller and have less gravity than the larger planets
Gravity is the same on all planets in the solar system
The outer planets are bigger and have less gravity than smaller planets
12
If the moon's gravitational pull is 1/6 of Earth's, what would a 60 pound child weigh on the moon?
6 lbs.
10 lbs.
36 lbs.
360 lbs.
13
List the planets in order of their distance from the Sun.
Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus,Neptune
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune,Uranus
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus,Neptune
Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus,Neptune
14
T/F: It is only the sun's gravity that keeps the planets in orbit in the solar system.
True
False
15
The movement of ocean tides are the result of a gravitational pull from which of the following?
The Earth
The sun
Humans
The moon
16
If mass _______, the force of gravity increases. If distance ________, the force of gravity will increase.
decreases, increases
increases, decreases
increases, increases
decreases, decreases
17
T/F: Gravity is responsible for the motion of every moon, planet, star and galaxy.
False
True
18
Which object would have the least gravitational force?
B
C
D
A
19
Gravity is responsible for the positioning of the planets in our solar system
False
True
20
Which of the following objects would have the most gravity?
A huge mountain
a rock
a grain of sand
a giant bolder
21
Which best explains the diagram?
force of A is greater than the force of B
Only B shows a force
Force of A is less than the force of B
Force of A is equal to the force of B
22
What is the role of gravity in maintaining our solar system?
keeps the planets in orbit around the sun
holds objects on the planets
supplies energy for the planets
protects the planets from solar winds
23
What characteristics do the inner planets have in common?
The inner planets are big, soft, and surrounded by gases.
The inner planets are small and rocky with thin atmospheres.
The inner planets have a greater mass and gravitational pull
The inner planets have a large number of moons.
24
What 2 factors affect gravitational strength?
mass and weight
distance and density
density and mass
mass and distance
