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WorksheetsEarth Science - Bk 4 Ch 3 Test
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
The heliocentric system gained support when Galileo observed that
a)
one side of the moon always faces Earth
b)
most of the smaller planets are closer to the sun
c)
Venus goes through phases similar to those of Earth’s moon
d)
the orbit of each planet is an ellipse
2.
In a heliocentric system, Earth revolves around
a)
Mars
b)
the stars
c)
the moon
d)
the sun
3.
The fact that each planet’s orbit is an ellipse was discovered by
a)
Copernicus
b)
Galileo
c)
Kepler
d)
Brahe
4.
The solar system formed from
a)
an expanding galaxy
b)
a giant cloud of gas and dust
c)
an enormous explosion
d)
a black hole
5.
Small asteroid-like bodies that became the building blocks for the planets are called
a)
planetesimals
b)
comets
c)
meteoroids
d)
open clusters
6.
The sun produces energy by
a)
attracting it with the force of gravity
b)
nuclear fission
c)
burning fuels such as oil
d)
nuclear fusion
7.
What layer are you looking at when you look at an image of the sun
a)
photosphere
b)
chromosphere
c)
corona
d)
prominence
8.
The solar wind is a stream of electrically charged particles that extend outward from the sun’s
a)
chromosphere
b)
photosphere
c)
corona
d)
core
9.
What do the four outer planets have in common
a)
They are composed mostly of gases
b)
They are rocky planets
c)
They are about the same size as the Earth
d)
They are made mostly of iron
10.
What do all of the inner planets have in common
a)
They all have rings
b)
They all have abundant liquid water
c)
They all have many moons
d)
They all are small and have rocky surfaces
11.
Most ancient astronomers thought that all celestial objects revolved around _________
a)
the sun
b)
the Earth
c)
the stars
d)
the moon
12.
The _____ consists of the sun, eight planets, their moons, and several kinds of smaller objects
a)
solar system
b)
universe
c)
galaxy
d)
oort cloud
13.
Mars’s atmosphere is mostly _______
a)
oxygen
b)
sulfuric acid
c)
carbon dioxide
d)
nitrogen
14.
Jupiter’s Great Red Spot is a(n) ________ larger than Earth
a)
valley
b)
mountain
c)
volcano
d)
storm
15.
A meteoroid that hits Earth’s surface is called a(n) ______
a)
meteoroid
b)
meteorite
c)
meteor
d)
comet
16.
Earth is thought to be at the center of the solar system in the ____ model
a)
geocentric
b)
heliocentric
c)
centercentric
d)
solcentric
17.
The number of sunspots on the sun varies over a period of about_________
a)
11 months
b)
7 years
c)
11 years
d)
7 months
18.
All of the _______ planets have many moons
a)
terrestrial
b)
rocky
c)
gas giant
d)
inner
19.
Most comets are found in the ______
a)
asteroid belt
b)
kupier belt
c)
heiocentric
d)
oort cloud
20.
Nuclear fusion occurs in the ____ of a star
a)
chromosphere
b)
core
c)
photosphere
d)
corona
21.
The 7th planet from the sun is ______
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
22.
The 4th planet from the sun is ______
a)
Mars
b)
Jupiter
c)
Saturn
d)
Earth
23.
Pluto is now classified as a _______
a)
planetesimal
b)
dwarf planet
c)
planet
d)
large asteroid
24.
Greek astronomer who thought the Earth was at the center of the Universe
a)
Ptolemy
b)
Copernicus
c)
Kepler
d)
Galileo
25.
First to use a telescope to see things such as the moons of Jupiter and the phases of Venus
a)
Ptolemy
b)
Copernicus
c)
Kepler
d)
Galileo
26.
A Polish astronomer who realized the Earth and other planets actually orbit the sun.
a)
Ptolemy
b)
Copernicus
c)
Kepler
d)
Galileo
27.
One astronomical unit equals ___________
a)
23,000,000 miles
b)
93,000,000 miles
c)
93,000 miles
d)
23,000 miles
28.
The sun is composed mostly of ________
a)
hydrogen
b)
helium
c)
iron
d)
uranium
29.
The 2nd planet from the sun is ________
a)
Mercury
b)
Jupiter
c)
Venus
d)
Earth
30.
The 5th planet from the sun is _______
a)
Mars
b)
Jupiter
c)
Saturn
d)
Earth
31.
The asteroid belt is found between which planets?
a)
Earth & Mars
b)
Mars & Jupiter
c)
Jupiter & Saturn
d)
Saturn & Uranus
32.
The Northern Lights are caused by
a)
tiny meteors
b)
photons from the sun
c)
comets
d)
charged particles from the sun
33.
Which planet, other than Earth, are we confident used to have liquid water
a)
Mercury
b)
Venus
c)
Mars
d)
Pluto
34.
Which of the following did Galileo NOT discover
a)
Asteroid belt
b)
Phases of Venus
c)
Moutains on the Moon
d)
Sunspots
35.
The Earth is _________
(This question is dedicated to the trolls, how dedicated are you to the joke?)
a)
flat
b)
spherical
c)
cubical
d)
tetrahedral
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