Solar System Review II Question Preview (ID: 222)
Virginia Science Grade 6 Glencoe Text.
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What is a meteorite?
a) a meteoroid that strikes Earth
b) a comet that strikes Earth
c) a dust ball that strikes Earth
d) an asteroid that strikes Earth
What happened to the dust and gas that did not contribute to forming the Sun?
a) It was lost forever
b) It created the planets.
c) It created other stars.
d) It was all burned up by the Sun
Why do planets closer to the Sun orbit the Sun faster than planets farther away do?
a) because of their size
b) because of the Sun's gravity
c) because of each planet's individual gravitational pull
d) because of the way the planets are lined up with each other in space
Why is Venus hot?
a) because of the volcanoes
b) because of its closeness to the Sun
c) because of its position in the solar system
d) because of the carbon dioxide in the atmosphere
Why is Venus often called Earth's twin?
a) because life also existed there at one time
b) because of its similar topography (physical features)
c) because of its similar size
d) because of similar temperatures
Which of Jupiter's four largest moons is the most volcanically active?
a) Europa
b) Ganymede
c) Io
d) Callisto
When atoms combine to form heavier atoms, _________ occurs.
a) fission
b) refraction
c) friction
d) fusion
Where do scientists plan on sending astronauts to in the future?
a) Mars
b) Neptune
c) Venus
d) Jupiter
Who developed the sun-centered model of the solar system?
a) Nicholas Copernicus
b) Galileo Galilei
c) Johannes Kepler
d) Clyde Tombaugh
What caused the dense cloud scientists hypothesize created our solar system to increase in temperature as it condensed?
a) increasing mass
b) increasing speed
c) increasing friction
d) increasing density
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