OtterKnow Kids Encyclopedia

One day, Isaac saw an apple fall from a tree and it helped him discover gravity! Gravity is the invisible force that pulls things down and keeps the moon going around the Earth. He also used a special piece of glass called a prism to show that white light is actually made of a beautiful rainbow. He wrote down all his smart ideas in a big book that scientists still read today!

• Isaac Newton had a pet dog named Diamond who once knocked over a candle and burned some of his papers!
• He also invented a special kind of math called calculus that older students learn in school.
• Newton loved studying the stars and planets in the night sky.
• He was even in charge of making coins at a place called the Royal Mint in England!