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Planets
Test Description: Chapter 3
Instructions: Answer all questions to get your test result.
1) The Sun produces energy by
A
attracting it with the force of gravity
B
burning fuels such as oil
C
nuclear fission
D
nuclear fusion
2) What shape are the orbits of most comets?
A
circles
B
long, narrow ellipses
C
spherical
D
nearly circular ellipses
3) When a meteoroid enters Earth's atmosphere, it produces a streak of light called a(n)
A
meteorite
B
asteroid
C
comet
D
meteor
4) The fact that each planet's orbit is an ellipse was discovered by
A
Brahe
B
Kepler
C
Galileo
D
Copernicus
5) A stream of particles that extends outward from the sun's corona is called
A
chromosphere
B
a sunspot
C
solar wind
D
prominence
6) A(n) ________________________ is a loose collection of ice, dust, and small rocky particles that typically has a long, narrow orbit
A
planet
B
meteoroid
C
asteroid
D
comet
7) In a heliocentric system, Earth revolves around
A
the moon
B
Mars
C
the stars
D
the sun
8) The Great Red Spot is a huge storm on
A
Mercury
B
Jupiter
C
Saturn
D
Neptune
9) Most asteroids orbit the sun
A
beyond Pluto\'s orbit
B
between the sun and Mercury
C
between Neptune and Pluto
D
between Mars and Jupiter
10) A doughnut-shaped region that extends from beyond Neptune's orbit to about 100 times Earth's distance from the sun is the
A
Kuiper belt
B
Oort cloud
C
heliocentric system
D
Asteroid belt
*select an answer for all questions
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