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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
nuclear fusion
B
nuclear fission
C
burning fuels such as oil
D
attracting it with the force of gravity
2) What shape are the orbits of most comets?
A
nearly circular ellipses
B
spherical
C
circles
D
long, narrow ellipses
3) When a meteoroid enters Earth's atmosphere, it produces a streak of light called a(n)
A
comet
B
meteor
C
asteroid
D
meteorite
4) The fact that each planet's orbit is an ellipse was discovered by
A
Kepler
B
Copernicus
C
Brahe
D
Galileo
5) A stream of particles that extends outward from the sun's corona is called
A
a sunspot
B
solar wind
C
prominence
D
chromosphere
6) A(n) ________________________ is a loose collection of ice, dust, and small rocky particles that typically has a long, narrow orbit
A
planet
B
comet
C
meteoroid
D
asteroid
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
Jupiter
B
Saturn
C
Neptune
D
Mercury
9) Most asteroids orbit the sun
A
between Mars and Jupiter
B
beyond Pluto\'s orbit
C
between Neptune and Pluto
D
between the sun and Mercury
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
heliocentric system
B
Asteroid belt
C
Kuiper belt
D
Oort cloud
*select an answer for all questions
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