Explain Like I'm 5

Ooh, gravity is like a big hug from the Earth!

You know how when you give your favorite toy a big hug, it doesn't go flying away? That's because the Earth is giving it a big hug too! And it's doing the same to you! That's why you don't float off into space when you're standing on the ground.

Gravity is like a magic string that pulls everything towards the Earth. It's what keeps you on the ground, what makes things fall down instead of up, and what keeps your feet from floating away! Isn't that cool?