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