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WorksheetsOur Solar System - Unit 1
Total questions: 20
Worksheet time: 2mins
How many planets orbit the Sun?
None! The sun orbits the earth!
2
6
8
What other things does our solar system consist of?
comets, asteroids, dust, and gas
comets, asteroids, dust, and Hershey candy bars!
comets, asteroids, dust, and Transformers!
comets, asteroids, dust, and aliens!
What's the largest and most important object in our solar system?
earth
the space station
the sun
a giant restaurant called 'Food Galaxy'
What percent of the solar system's total mass does the sun encompass?
about 10%
50% exactly
67.3%
99.8%
What's the earth's major source of light and heat?
the moon
the earth itself
the sun
electricity
How hot is the sun?
10 million degrees Celsius
15 million degrees Celsius
20 million degrees Celsius
100 million degrees Celsius
Without the sun's intense heat energy would there be life on earth?
No, of course not!
Yes, there would still be life
Yes, but the earth would be completely covered in water
I don't know
True or False? The closer the planets are to the sun the less heat energy they receive.
True
False
Both true and false
Not sure
What are the two type of planets in our solar system?
round ones and square ones
big ones and small ones
hot ones and cold ones
terrestrial and gas giant planets
Terrestrial planets are formed mostly from what two things?
rock and heavy metal music!
rock and metal
only rock
only metal
What four planets are terrestrial planets?
Mercury, Venus, Earth, and Mars
Mercury, Venus, Earth, and Jupiter
Mercury, Venus, Earth, and Uranus
Mercury, Venus, and earth only
Jovian planets are large planets made from what?
rock
metal
water
gas
The Jovian gas giant planets are composed mostly of what gases?
hydrogen, helium, ammonia, nitrogen
hydrogen, helium, ammonia, oxygen
hydrogen, helium, ammonia, methane
hydrogen, helium, ammonia, krypton
Jupiter, Saturn, Uranus, and Neptune are gas giants and can be further divided into what 2 sub-categories?
liquid giants and solid giants
terrestrial giants and water giants
rock giants and metal giants
traditional gas giants and ice giants
How many dwarf planets have been discovered?
0
2
3
5
What's a moon?
a mass that orbits a larger planet or body
a mass that orbits a smaller planet or body
a giant gas body that orbits a larger planet or body
a very, very large piece of cheese!
What are the two kinds of moons?
cheesy ones and sugary ones
gaseous ones and icy ones
gaseous ones and rocky ones
rocky ones and icy ones
Approximately how many moons are in our solar system?
only one - ours!
less than 50
well over 100
no one really knows
Which two planets do not have moons?
Mercury and Venus
Mars and Venus
Mars and Mercury
All the planets have moons
Mercury and Venus don't have moons because
a giant space mouse ate them!
they exploded and disappeared in a giant collision
they are to far away from the sun
they are to close to the sun
