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SC.8.E.5.4 Gravity, Formation of the Solar System and Smaller Bodies 2 Flashcards | StudBud
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SC.8.E.5.4 Gravity, Formation of the Solar System and Smaller Bodies 2
SC.8.E.5.4 Gravity, Formation of the Solar System and Smaller Bodies 2
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1
How does the nebular theory describe the formation of the solar system?
A star exploded & created the planets we have today
Matter form the Big Bang we’re blasted into space and form
An asteroid collision broke apart & became plants and sun
A cloud of spinning dust and&condensed into sun&planets
2
from which object did the solar system form?
protoplanetary disk
planetismal
solar nebula
star
3
What was the force that helped collapse the solar nebula
centripetal force
gravity
inertia
centrifugal force
4
What is a scientific law?
Explanation of some aspect of the natural world
Explanation made on the basis of limited evidence
Observations that describes some aspect of the universe
5
What force keeps planets orbiting stars?
magnetism
electrical charge
polarity
gravity
6
Which is not a characteristic of a scientific law?
There is evidence to support it.
It has been found to always be true
It describes a particular situation
It is a rule that everyone must follow
7
Which of these states Kepler's law of planetary motion?
the sun is the center of the solar system
planets orbits go around the sun in an ellipse
planets orbits are circular with the sun at the focus
8
according to Kepler's first law what is at at the center of a planet's orbit?
orbital path
ellipse
an empty focus
sun
9
Gravitational force increases as the mass of an object increases: helps describe which?
Newtons law of Universal Gravitiation
Kepler's Laws
10
Einstein's Theory of Relativity gave us a better understanding of?
The elements in the universe
the Atmosphere
Gravity
Stars
11
Which has a stronger gravitational pull, Mercury or Uranus?
Mercury because it has less mass
Uranus because it has less mass
Uranus because it has more mass
Mercury because Mercury has more mass
12
What does the General Theory of Relativity explain?
That gravity is the warping of spacetime
Why the Moon wobbles
Why time slows down at high speed
How length contracts