Vocabulary
A mass of ice and dust that melts as it orbits close to the sun and has a tail.
comet
Name 3 planets that have many moons.
Jupiter, Saturn, Uranus & Neptune
Name the dirty snow balls that orbit the Sun and have 2 tails.
comet
This planet is the coldest planet in our Solar System.
Neptune
Name one thing that makes Earth different than the other planets in our Solar System.
Supports life
Everything that exists, including stars, planets, gas, dust, and energy.
Universe
Name 3 planets that have a fast revolution around the Sun.
Mercury, Venus, Earth & Mars
Name one dwarf planet.
Ceres, Haumea, Pluto, Eris, or Makemake
This planet is the hottest planet even though it is not the closest to the Sun.
Venus
A meteoroid that burns up or explodes when it enters the Earth's atmosphere.
meteor
A _______ is made up of one star and all the planets and other objects that revolve around it.
solar system
Name 3 planets that have many moons.
Jupiter, Saturn, Uranus, & Neptune
What is the name of a space rock that has landed here on Earth?
meteorite
This planet is best known for its beautiful and large number of rings.
Saturn
The region in our solar system with many asteroids that orbit the sun and that is between Mars and Jupiter.
asteroid belt
A bowl-shaped, low area on the surface of a planet or moon.
crater
Which planet has the shortest period of revolution?
Mercury
Order these objects from smallest to largest.
Sun, asteroid, meteor, planet, dwarf planet.
meteor, asteroid, dwarf planet, planet, Sun
Name the planets in order from the Sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Name one natural satellite in our Solar System.
Moon, Earth, any of the planets or dwarf planets & many more.
A large object that orbits the sun but is not large enough to clear its own orbit around the Sun.
dwarf planet
Name 3 planets with rings.
Jupiter, Saturn, Uranus, & Neptune
A small rock floating in space that broke off of a comet or asteroid.
meteoroid
Name the planets in order from the largest to the smallest.
Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury
What force keeps the planets in orbit around the Sun?
Gravity