What is Gravity is a curvature of spacetime caused by mass?

Gravity is spacetime bending around mass, like a trampoline when you jump on it.

Imagine you have a big, soft trampoline, that's like spacetime. If you put a heavy ball in the middle, like a bowling ball, it makes a deep dent in the trampoline. That’s like how mass bends spacetime around it.

Now, if you roll a smaller ball near the dent, it will move toward the heavier ball, just like how the Earth pulls things down to its surface. The path the small ball takes is like how gravity works in real life.

In space, spacetime isn’t just up and down, it’s all around us! A big object like the Sun creates a strong dent in spacetime, making planets orbit around it. It's like the trampoline is stretched out into 3D, and everything moves along the curve.

So instead of thinking of gravity as a force that pulls things down, think of it as spacetime bending, like a trampoline with a ball on it!