Modified True/False
Indicate
whether the sentence or statement is true or false. If false, change the identified word or
phrase to make the sentence or statement true.
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1.
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Earth
is at the center of the solar system in the geocentric model.
_________________________
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2.
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The
surfaces of the largest planets are solid. _________________________
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3.
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The
part of the sun that can be seen in a photograph is the photosphere.
_________________________
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4.
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Europa’s surface is made of liquid water.
_________________________
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5.
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Sunspots are areas on the sun that are cooler than the gases surrounding them.
_________________________
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6.
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The
four inner planets are gas giants. _________________________
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7.
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The
inner planets are large and have rocky surfaces. _________________________
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8.
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Pluto
has more moons than any other outer planet. _________________________
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9.
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Chunks of ice and dust that usually have long elliptical orbits are called
comets. _________________________
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10.
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A
comet or asteroid can break up to form a chunk of rock called a meteoroid.
_________________________
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Essay
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11.
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How
are Earth and Venus similar? How is Venus different from Earth?
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12.
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Describe the differences among a meteoroid, a meteor, and a meteorite.
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13.
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Why
do scientists think Europa might be a good place to look for extraterrestrial life?
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14.
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Explain why the outer planets did not lose the gases in their
atmospheres.
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15.
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What
caused Galileo to accept the theory that the planets revolve around the sun?
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16.
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Name
three conditions needed for life as we know it to exist. Where in the solar system are these
conditions found?
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17.
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What
are two reasons the sun is important?
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18.
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Explain why some scientists do not consider Pluto to be a planet.
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