This is the planet where we live.
Earth
The planets travel around this star.
Sun
Mars has this colorful nickname.
Red Planet
These machines explore Mars instead of people
robots
Of Earth and Mars, this planet has air people can breathe outdoors.
Earth
These large bodies of water make Earth look blue from space.
Oceans
This planet is closest to the Sun
Mercury
Mars is this numbered planet from the Sun.
4th planet
A robot that drives across a planet is called this.
rover
Compared with Earth, Mars is generally warmer or colderl
colder
Earth is this numbered planet from the Sun.
3rd planet
This is the largest planet in our solar system.
Jupiter
Between Earth and Mars, this planet is smaller.
Mars
A rover uses this tool to take pictures.
cameras
Eath and Mars both have solid surfaces made of this material
Rock
Earth spins, causing these two parts of each day.
Day and night
This planet is famous for its large, bright rings.
Saturn
This rusty metal in Mars dust helps give the planet its red color
Iron
These huge storms can spread dust across Mars.
Dust storms
A dent made when a space rock hits the ground is called this
crater
Earth has water and breathable air. Name one more thing humans need to survive.
food and warmth
There are this many planets in our solar sytem.
8
Mars has a giant volcano with this name.
Olympus Mons
Rovers study rocks for clues that this liquid once flowed on Mars
Water
A ball represents Mars and a flashlight represents the Sun. Spin the ball: the side facing away from the light has this
night