Since we can only see it teeny little piece of the Earth at one time no matter where whether we’re on a mountaintop or at the edge of the ocean, the Earth always looks flat to us.But we discovered that it is actually round.Who figured this out?How did they figure this out?Get ready to do an experiment to test if the world is round or not.This is great for kids who like you to prove it or just want to see how it works.
You can read about how the Greeks thought this idea through, and then you can experiment with the idea yourself to prove the theory. You'll need a plate, a can, a ball, a yardstick, a string and a light source like a flashlight.
Have fun seeing the light. 32 pages Ages 5-8