Level 1
Level 2
Level 3
100
What is the name of our planet?
Earth
100
Why is Earth called the "Blue Planet"?
Because it is filled with water.
100
What is the imaginary line that runs from the North Pole to the South Pole through the middle of Earth?
Axis
200
How many moons does Earth have?
One (1) 
200
How long does it take for Earth to complete one full spin on its axis?
24 hours
200
What is the main source of heat and light for Earth?
The sun.
300
How many months are there in a year?
12 months
300
True or False: Earth’s orbit around the sun equals one year.
True
300
The spinning of the Earth on its axis is called ____.
Rotation
400
Earth is the ____ planet from the Sun.
3rd
400
Which planet is the only one known to support life (humans, plants, and animals)?
Earth
400
Earth follows an invisible path called ____.
Orbit
500
If we could look at Earth from space, what are the two main colors we would see?
Blue, green, and white.