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WorksheetsCh. 2 The Solar System
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
A __________ is a chunk of ice & dust that has a bright head & a long narrow tail.
a)
asteroid
b)
planet
c)
meteoroid
d)
comet
2.
The ______is between the orbits of Mars & Jupiter.
a)
solar system
b)
asteroid belt
c)
terrestrial planets
d)
photosphere
3.
What shape are the orbits of most comets?
a)
long narrow ellipse
b)
circles
c)
nearly circular ellipses
d)
spherical
4.
The planet Venus rotates E to W, which means it has ________
a)
almost no atmosphere
b)
retrograde rotation
c)
no sunrise
d)
a tilted axis
5.
A stream of particles that are produced by the sun's corona is called__________
a)
momentum
b)
deep atmospheres
c)
rocky surfaces
d)
solar wind
6.
The four terrestrial planets are known for their _________
a)
hot temps
b)
deep atmospheres
c)
rocky surfaces
d)
large size
7.
The flash of light produced when a meteoroid passes through Earth's atmosphere is a (n)
a)
meteorite
b)
asteroid
c)
comet
d)
meteor
8.
A sun centered system of planets was developed by __________
a)
Galileo
b)
Ptolemy
c)
Copernicus
d)
Issac Newton
9.
The sun's energy comes from nuclear __________
a)
fission
b)
heat
c)
solar power
d)
fusion
10.
__________ are chunks of rock/dust in orbit that are too small & too numerous to be considered planets.
a)
comets
b)
meteors
c)
asteroids
d)
meteorites
11.
_____________ are explosions that occur when gas on the surface of the sun becomes extremely hot
a)
solar flares
b)
prominences
c)
coronas
d)
nuclear fusions
12.
A _________ model of the planets is sun centered
a)
geocentric
b)
heliocentric
c)
sun
d)
Earth
13.
The tendency of an object to stay in motion or remain at rest is called _________
a)
gravity
b)
inertia
c)
geocentric
d)
sunspots
14.
_______ are loops of gas on the sun that link sunspots together
a)
Particle streams
b)
Magnetic storms
c)
Solar flares
d)
Prominences
15.
__________ are often considered a double planet
a)
Saturn & Titan
b)
Pluto & Charon
c)
Earth & Venus
d)
Jupiter & Europa
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