mass

multiply

mom

### Correct!

Mass is the amount of stuff that something has inside of it. In E=mc^{2}, "m" stands for mass. Einstein proved that things that contain a little bit of mass also contain huge amounts of energy.

OLOGY CARD 165

Series: **Physics**

E=mc²

Albert Einstein is famous for making many revolutionary discoveries. But perhaps Einstein's most famous discovery was his equation E=mc². In science, equations are used to explain many phenomena that we cannot see with our eyes. Einstein's famous equation shows the relationship between mass and energy. The more mass an object has, the more energy it has.