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The Inner Planets
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Which inner planet is closest to the Sun?
Mercury is the closest to the Sun.
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True or false: The Sun orbits around all the inner planets.
False: All the planets orbit around the SUn.
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The space near a magnet in which a force acts on another magnet.
Magnetic Field
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How many hours does it take Earth to make a full rotation/spin?
It takes 24 hours.
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True or false: The days and nights on Venus are both hot.
True
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True or false: All the inner planets are rocky planets.
True
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What is Earth's moon called?
It is called Luna.
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What is Earth's atmosphere (氣氛) mostly made of?
It is mostly made up of oxygen and nitrogen.
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This is a colorless, odorless gas that is present in our proteins.
What is nitrogen?
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Mercury has a very (strong/weak) atmosphere.
weak
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More than 3 billion years ago many huge _________ crashed in Mercury, leaving huge scars on its surface.
meteorites
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True or false: Mars has dust storms.
true
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Which two inner planets are nearly the same size?
Venus and Earth are nearly the same size.
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What does Mars have that Earth has too? (can you name 4)
They both have canyons, fog, clouds, and volcanoes.
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What does Earth's atmosphere and magnetic field protect us from?
It protects us from (the deadly) rays of the Sun.
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Name the four inner planets
Mercury, Venus, Earth, and Mars are the four inner planets.
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True or false: Mars has 3 tiny moons.
False: Mars has 2 tiny moons.
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How many moons does Venus have?
It doesn't have any moons.
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Which of the inner planets has clouds made of sulfuric acid?
Venus
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What divides the inner planets from the outer planets?
An asteroid belt divides the inner planets from the outer planets.
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A colorless and odorless gas we breathe to stay alive.
Oxygen
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The gaseous envelope surrounding a planet.
Atmosphere
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