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Sun, Planets, Space Objects
Test Description: Chapter 3
Instructions: Answer all questions to get your test result.
1) Model that says earth is the center of the solar system
A
heliocentric
B
geocentric
C
eclipse
D
greenhouse effect
2) Model that says sun is the center of the solar system
A
greenhouse effect
B
heliocentric
C
ellipse
D
geocentric
3) This consists of the sun, planets, their moons, and a variety of smaller objects.
A
solar system
B
dwarf planet
C
astronomical unit
D
planets
4) One astronomical unit equals
A
150,000,000 dm
B
150,000,000 m
C
150,000,000 km
D
150,000,000 miles
5) How many astronomical unit is it from the earth to the sun?
A
2
B
1
C
3
D
4
6) How long ago did the solar system form?
A
4.6 billion year
B
4.6 million years
C
4.6 trillion years
7) Where does nuclear fusion occur in the sun?
A
radiation zone
B
surface
C
core
D
convection zone
8) What is the process by which the sun produces energy?
A
nuclear fission
B
nuclear fusion
C
nuclear lusion
D
nuclear confusion
9) Dark regions on the suns surface
A
solar flares
B
sunspots
C
dark masks
D
suncots
10) What planets are small, dense, and have rocky surfaces?
A
extra terrestrial planets
B
outer planets
C
inner planets
D
gas giants
11) What planet is closest to the sun?
A
Venus
B
Mercury
C
Earth
D
Mars
12) What planet is the smallest
A
Mercury
B
Earth
C
Mars
D
Venus
13) What planet is the hottest
A
Earth
B
Mars
C
Venus
D
Mercury
14) What planet has longer days that years
A
Earth
B
Mercury
C
Venus
D
Mars
15) What planet is most similar to Earth?
A
Mercury
B
Mars
C
Venus
D
Earth
16) What planet has liquid water?
A
Mars
B
Venus
C
Mercury
D
Earth
17) What planet has living things
A
Venus
B
Mercury
C
Mars
D
Earth
18) What planet once had liquid water?
A
Mercury
B
Venus
C
Mars
D
Earth
19) What planet has Olympus Mons
A
Mercury
B
Earth
C
Mars
D
Venus
20) Planets that are much larger, but do not have solid surfaces.
A
Inner Planets
B
Terrestrial Planets
C
Gas Giants
D
Outer Ring Planets
*select an answer for all questions
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