Isaac Newton

Isaac Newton was a very smart man who lived a very long time ago in the 1600s and 1700s. He discovered lots of really important things that helped us figure out how the world works.

One of the things Isaac Newton discovered was something called gravity. Gravity is what makes things like apples fall off trees and keeps us from floating away into space. Newton figured out that there is an invisible force that pulls everything towards each other, and he called this force gravity.

Another thing that Newton discovered was something called the laws of motion. The laws of motion are kind of like rules that tell us how things move around. For example, one of the laws of motion says that things will keep moving in the same direction and at the same speed unless something else makes them stop or change direction.

Isaac Newton was also really good at math. He figured out how to use math to explain how things move and to make predictions about things that were going to happen. This was really important because it made it possible for other scientists and engineers to make all sorts of cool new inventions and discoveries based on Newton's ideas.

Overall, Isaac Newton was really important because he helped us understand how the world works in a way that we still use today. He was also really smart and figured out things that nobody else had been able to figure out before him.