WorksheetsThe Structure of the Solar System
Total questions: 10
Worksheet time: 30mins
Many objects, including planets, travel around the Sun.
orbit
rotate
revolve
spin
Orbiting objects made of gas, dust, and ice come from the outer parts of the solar system.
comet
asteroid
planet
moon
The Sun is a(n) structure in space made of gases in which nuclear fusion reactions occur.
star
planet
comet
asteroid
In 365 days, Earth completes a(n) full journey around the Sun.
period of revolution
period of rotation
lunar cycle
solar cycle
In 24 hours Earth completes a(n) full turn, also called a complete spin.
period of rotation
orbit
revolution
axis shift
Millions of small, rocky objects orbit the Sun between the orbits of Mars and Jupiter.
asteroid
comet
planet
moon
A(n) distance equal of about 150 million km is the average distance from Earth to the Sun.
astronomical unit
light year
parsec
kilometer
Bonus Question: A region of space between the orbits of Mars and Jupiter where most of the asteroids in our Solar System are found orbiting the Sun
(a)
Bonus Question: A spherical object that orbits the Sun?
(a)
Bonus Question: Who proposed that Earth and other planets revolve in circular orbits around a stationary Sun, a heliocentric model?
Johannes Kepler
Galileo
Nicholas Copernicus
Sir Isaac Newton
