What planet is known as the “Red Planet”?
Mars
What gas do humans need to breathe?
Oxygen
What is the freezing point of water in Celsius?
0 Celsius
What is the largest planet in our solar system?
Jupiter
What do you call melted rock that comes out of a volcano?
Lava
What is the center of an atom called?
Nucleus
Which planet has giant rings around it?
Saturn
What does the sun mainly give us besides light?
Heat
How long does it take Earth to go around the sun?
1 Year
Which is the closest planet to the sun?
Mercury
