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Gravity in the Solar System Flashcards | StudBud
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Gravity in the Solar System
Gravity in the Solar System
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1
Which explains the role of gravity in the motion of the planet?
Gravity from the star pulls the planet towards the star until they collide
Gravity from the star pulls the planet into orbit
Gravity from the star pushes the planet into orbit
Gravity from the star pushes the planet out of orbit
2
How is gravity an important factor in the Sun's formation form a gas cloud of Hydrogen atoms?
As H attracts together, the cloud becomes larger and its gravity decreases
As the distance between H atoms decreases, gravity increases and they fuse
Hydrogen in a cloud moves fast causing a gravitational field to form
Hydrogen turns into Helium, which is light enough to float away
3
The Moon is a natural satellite of Earth and revolves around it in a fixed orbit. Which phenomenon is responsible?
gravitational pull of the Earth
magnetic field of the Sun
gravitational pull of the Sun
magnetic field of the Earth
4
Which of these affects our tides the most?
Stars
Sun
Moon
Mars
5
If a planet moves closer to the Sun, how will the gravitational force between the Sun and the planet change?
Gravity increases
Gravity decreases
Gravity reduces to zero
Gravity remains the same
6
The gravitational pull of the Moon on Earth's tides is stronger than the force of the Sun because
The moon's craters attract water
The moon is smaller
The moon is closer
The Sun is only made of gas
7
What is the main cause of tides on Earth?
Gravity of the largest planet, Jupiter
The rotation of Earth on its axis
The elliptical orbit of Earth
Moon's gravitational attraction
8
Which phenomenon is a result of gravitational force of the Sun?
rotation of the Moon on its axis
Revolution of the Moon around the Earth
rotation of planets on their axes
Revolution of the planets around the Sun
9
Which is true about tides during a neap tide?
The pull of Sun and Moon work against each other making stronger tides
The pull of Sun and Moon work against each other making weaker tides
The pull of the Sun and Moon combine making stronger tides
The pull of the Sun and Moon combine making weaker tides
10
What occurs in a nebula?
Atoms travel at high speeds and cause a star to explode
Atoms collide and fuse together to make a new atom
Atoms become larger, blocking the effects of gravity
Atoms break apart, making more energy for the nebula
11
What force keeps celestial objects in orbit?
Inertia
Normal
Gravity
Friction
12
Which is true about the tides when the Sun and Moon are in straight line?
High tides are lower and it's called a neap tide.
High tides are lower and its called a spring tide.
High tides are higher and it's called a neap tide.
High tides are higher and its called a spring tide.
13
How does gravity affect the formation of the Solar System?
Gravity caused a nebula to collapse - center is Sun, cloud is planets
The planets were already formed and gravity from the Sun pulled them closer
The Sun formed from a nebula, gravity pushed the planets away from the Sun.
Gravity causes a black hole to form and the center became the solar system.
14
The gravity from which object affects earth's daily tides?
Moon
Jupiter
Sun
Mercury
15
Gravity from the Sun and the Moon cause which type of tides?
Spring and High
Neap and Low
Spring and Neap
High and Low
16
Which position of the Moon causes neap tides on Earth?
Y
X
W
Z
17
Why are tides on Earth higher than normal during Spring tides?
The Sun combines its gravitational force with the Moon
Sun comes closer to the Earth and increases it's gravitational pull
Moon cancels out the gravitational pull of the Sun
The Moon comes closer to the Earth and increases its gravitational pull
18
Which statement is incorrect?
Gravity increases with more distance
The amount of gravity between two objects can change
Gravity exists in all objects having mass
Gravity increases with more mass.
19
Which statement explains the type of tide that will occur during the lunar eclipse shown.
Spring tide because the gravity of the Sun and the Moon will combine
The side facing the Sun will have a normal low tide
The side facing the Moon will have a normal high tide
Neap tide because the gravity from the Sun and Moon will work oppositely