How did gravity help form the solar system?

Gravity caused rocks to collide and stick forming planets around the sun

Compared to your weight and mass on Earth, if you were on the moon:

your weight would be less but your mass would stay the same.

Why does Venus have a higher temperature than Mercury?

The atmosphere on Venus is thicker than the atmosphere on Mercury

The closer a planet is to the sun, the ...

the shorter the revolution (year)

Finish the sentence: Mass...

Doesn't change depending on gravity

How does the force of gravity on Earth compare to the force of gravity on Mars?

Earth's gravity is stronger than on Mars

Why are scientific theories modified?

When new technology leads to new evidence.

How does a planet's distance from the sun relate to its period of revolution?

The closer a planet is to the sun, the shorter the year.

What was the geocentric model of the solar system?

Geocentric was a model where the Earth was the Center of the solar system

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Solar System Unit Review

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Questions 20

Answers

1
Does weight change on the Earth vs. on the moon?
Yes
No
2
Which two factors determine the strength of gravity between two objects?
Mass and weight
Distance and weight
Mass and speed
Mass and distance
3
How did gravity help form the solar system?
Sun's gravity stole the 8 planets that used to orbit a nearby star
Gravity grabbed the sun from another place and put it in our solar system
Gravity of nearby solar systems pushed our 8 planets near the Sun
Gravity caused rocks to collide and stick forming planets around the sun
4
Compared to your weight and mass on Earth, if you were on the moon:
your weight would increase, but your mass would stay thesame
your weight would stay the same, but your mass would be less
your weight and mass would be less.
your weight would be less but your mass would stay the same.
5
Why does Venus have a higher temperature than Mercury?
It takes Mercury longer to revolve around the Sun
It takes Venus longer to revolve around the Sun
The atmosphere on Venus is thicker than the atmosphere on Mercury
The atmosphere on Venus is thinner than the atmosphere on Mercury
6
Weight is a force that depends on mass and:
energy conservation.
gravity.
magnetism.
friction.
7
The closer a planet is to the sun, the ...
the hotter the planet is
the shorter the revolution (year)
the longer the rotation (day)
8
Are mass and weight the same
No
Yes
9
Does mass change on the Earth vs. on the moon?
No
Yes
10
Gravitational pull from the Sun keeps a planet in orbit.
False
True
11
Finish the sentence: Mass...
Changes depending on gravity
Doesn't change depending on gravity
12
what is the biggest planet in our solar system
Neptune
Jupiter
Uranus
Pluto
13
The heliocentric model states that the Sun is the center of the solar system.
True
False
14
How does the force of gravity on Earth compare to the force of gravity on Mars?
Gravity is the same no matter where you go
Earth's gravity is stronger than on Mars
Earth's gravity is weaker than Mars
15
Why are scientific theories modified?
When new ideas are finally accepted by society.
When new technology leads to new evidence.
When a scientists opinion changes.
When two scientists agree on an idea.
16
Fastest revolving planet in the solar system?
Earth
Saturn
Mars
Mercury
17
There are 8 planets in our solar system.
True
False
18
How does a planet's distance from the sun relate to its period of revolution?
The closer a planet is to the sun, the longer the year.
All planets have the same length of one year.
The closer a planet is to the sun, the shorter the year.
The length of a planet's year doesn't relate to the distance from the sun.
19
What was the geocentric model of the solar system?
Geocentric was a model where the Earth was the Center of the solar system
Geocentric model is still believed today
Geocentric model has never been changed
Geocentric was a model where the sun was the center of the solar system
20
Mass is all of the "stuff" something has
True
False

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