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10 questions
What causes planets to orbit around the sun?
sun flares
the Earth's gravity
the sun's gravity
the Earth's axis
How far away is Earth from the sun?
93 million miles
365 million miles
24.5 light years
150 million miles
What is the name of the imaginary line that runs through Earth's center from the North Pole to the South Pole?
longitude
axis
Prime Meridian
Equator
The Earth _____ around the sun.
tilts
rotates
spins on its axis
revolves
Which of the following is known as the center of the Earth?
the core
the mantle
the crust
the biosphere
What is magma?
Earth's mantle
Earth's outer layer
melted rock
underwater volcanoes
About how much of the Earth's surface is covered by water?
30 percent
70 percent
2 percent
21 percent
June 21 in the Northern Hemisphere is known as the _____.
summer solstice
winter solstice
spring equinox
fall equinox
What causes the Tropics to experience hot, sunny weather most of the year?
the Earth's gravity
direct sunlight
elevation
ocean currents
The average weather conditions in a region over a long period of time is called _____.
the rain shadow effect
elevation
precipitation
climate
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