Earth
Sun
Moon
Planets
Gravity
100
What is Earth's atmosphere made of?
What is nitrogen and oxygen?
100
How hot is the sun
What is 5,500 C? or What is 9,932 F?
100
Why are there still craters on the moon today?
What is no atmosphere?
100
What would happen if the sun rotated the Earth?
What is solar eclipses everyday?
100
Who discovered gravity?
Who is Sir Issac Newton?
200
What is the diameter of the Earth?
What is 12,742 km?
200
What is the diameter of the Sun?
What is 1,391,016 km?
400
How far is the moon from Earth?
What is 384,480 km?
400
What is the smallest planet in the Solar System?
What is Mercury?
400
Why is there low gravity on the moon
What is smaller size = less gravity?