So, if gravity pulls everything down, then why don't things on the bottom of the Earth get pulled down into space? In this episode of Crash Course Kids, Sabrina talks about gravity and explains that when we talk about gravity pulling things down, what we really mean is gravity is pulling things TOWARD the Earth. Really, it's all about attraction. 

QUESTIONS: 

1. What is gravity? 

2. Who was the first person who seriously studied gravity? 

What was the famous story related to it? 

3. Explain the conclusion that was reached at the end of the video.