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Solar System
Test Description: Solar System
Instructions: Answer all questions to get your test result.
1) What is the distance between the Earth and the Moon?
A
about 25,000 miles
B
about 6 trillion miles
C
about 93,000,000 miles
D
about 250,000 miles
2) What is the distance between the Earth and the Sun?
A
about 6 trillion miles
B
about 93,000,000 miles
C
about 250,000 miles
D
about 25,000 miles
3) What is the circumference around the Earth?
A
about 6 trillion miles
B
about 250,000 miles
C
about 25,000 miles
D
about 93,000,000 miles
4) How many miles in a light year?
A
about 250,000 miles
B
about 25,000 miles
C
about 93,000,000 miles
D
about 6 trillion miles
5) What is an astronomical unit?
A
the distance between Earth and the Moon
B
the distance between Earth and the Sun
C
the same as a light year
D
the distance between Sun and the Pluto
6) According to Scientists, what is the age of the solar system?
A
4.6 million years
B
6 thousand years
C
4.6 trillion years
D
4.6 billion years
7) Pluto is now considered to be a _____________ planet.
A
large
B
gas
C
small
D
dwarf
8) What percentage of the solar system is found in the Sun?
A
50 %
B
75 %
C
90 %
D
99 %
9) What percentage of the sun is made of hydrogen?
A
90 %
B
99 %
C
50 %
D
75 %
10) Where does nuclear fusion occur?
A
convection zone
B
radiation zone
C
photosphere
D
core
11) What two factors are very import when determining if humans could exist on another planet?
A
planets mass and gravity
B
planets gravity and color
C
Planets rotation rate and planets mass
D
Planets rotation rate and volume
12) What are the percentages of hydrogen and helium in the Sun?
A
25% hydrogen, 75% helium
B
90% hydrogen, 10% helium
C
50% hydrogen, 50% helium
D
75% hydrogen, 25% helium
13) What is the process in which two hydrogen atoms become one helium atom?
A
Nuclear Fission
B
Radiation
C
Nuclear Fusion
D
Convection
14) What is the process in which two hydrogen atoms become one helium atom?
A
Nuclear Fusion
B
Radiation
C
Convection
D
Nuclear Fission
15) These are eruptions on the Sun
A
solar wind
B
sunspots
C
prominences
D
solar flares
16) Areas of the Sun that appear cooler than surrounding areas.
A
sun spots
B
prominences
C
solar wind
D
solar flares
17) Mars atmosphere is composed mostly of _______________.
A
nitrogen
B
carbon dioxide
C
nitrogen
D
oxygen
18) Which inner planet does not have an atmosphere
A
mars
B
mercury
C
venus
D
earth
19) Where does most of the carbon dioxide on Earth and Mars originate?
A
atmosphere
B
plants
C
oceans
D
volcanoes
20) Which other planet is most similar to Earth in mass and volume?
A
venus
B
pluto
C
mercury
D
mars
*select an answer for all questions
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