Solar System Question Preview (ID: 7971)
Solar System Comparison.
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What force keeps celestial bodies in a regular predictable motion?
a) potential energy
b) gravity
c) centripetal force
d) None of these
Describe the effect of gravity on the planets.
a) planets are held in a circular orbit due to gravity
b) planets fly randomly around the milky way galaxy
c) planets triangulate their path around the sun
d) planets stay in their position and do not revolve around the sun
Explain gravity
a) gravity is an irrelevant force that has no effect
b) gravity makes objects in motion stay in motion
c) gravity holds objects to the surface and keeps planets in orbit
d) gravity pushes objects away
What is responsible for causing ocean tides?
a) The sun's gravitational pull on earth
b) The moon's gravitational pull on earth
c) Displacement of the solar system relative to the sun
d) There is no such thing as a tide
Why does Earth's tilted axis cause seasons?
a) Earth's revolution around the sun causes seasons not the tilt
b) Because Earth gets closer and further from the sun
c) We don't have seasons on earth
d) It causes changes in day length and changes in the sun's intensity
What causes day and night on Earth?
a) earth's revolution
b) earth's rotation
c) earth's tilt
d) earth's orbital direction
What causes the moon phases?
a) The moon's revolution around the earth
b) The moon is like a christmas light and it illuminates differently throughout the month
c) The earth's revolution around the moon
d) The moon's fast rotation causes changes in luminescence
What is the sun?
a) an average star
b) an enormous star
c) a very small star
d) a large rock that floats in the solar system
Why don't solar and lunar eclipses occur every month?
a) The moon's orbit is parallel with earth's
b) Earth orbits around the moon irregularly
c) Because of the shape of the earth
d) The moon's orbit is tilted
Which celestial bodies are most likely to have many craters?
a) gas giants with thick atmospheres
b) terrestrial planets without atmospheres
c) terrestrial planets with thick atmospheres
d) gas giants with thin atmospheres
Why are the inner planets called terrestrial planets?
a) they resemble Earth and are made of rock
b) they are very different from earth and made of jello
c) they are gas giants and made of thick atmospheres
d) None of these
What causes a high surface temperature on Venus?
a) It has no atmosphere and is close to the sun
b) It is far away from the sun
c) The greenhouse effect of its atmosphere
d) None of these
Why is Venus sometimes called Earth's twin?
a) It is the only habitable planet besides Earth
b) It is nearly the same size and density
c) It isn't called earth's twin, Mercury is
d) None of these
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