Chapter 16 Question Preview (ID: 23560)
Planets Test.
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Aside form Earth, which inner planet once had liquid water on its surface?
a) Mercury
b) Venus
c) Mars
d) Jupiter
What shape are the orbits of most comets?
a) Long and narrow ellipses
b) Circles
c) Nearly circular ellipses
d) stared
Meterorids usually come from ________.
a) meterorites
b) the solar winds
c) other meteors
d) comets or astroids
One of the conditions required for life on Earth is ________
a) Polar ice caps
b) alternating night and day cycles
c) liquid water
d) Plants
What do all of the inner planets have in common?
a) They all have liquid water
b) They all have moons
c) They all orbit Earth
d) They all are small and have rocky surfaces
Which is the smallest terrestrial planet?
a) Mars
b) Venus
c) Mercury
d) Pluto
Earth and Venus are much alike in terms of
a) Shape
b) Size and Density
c) the rate of rotation
d) their atmospheres
When a meteoroid enters Earth's atmosphere, it produces a streak of light called
a) meterorite
b) asteroid
c) meteors
d)
The asteroid belt is located
a) Between Earth and Mars
b) Between Mars and Jupiter
c) Between Jupiter and Saturn
d)
The atmospheres of the gas giant planets cannot escape into space becasue
a) the gases are to heavy
b) the gases solidify at higher elevations
c) The planets have very strong gravitional pulls
d)
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