The Sun makes energy. A moving ball has energy. Food gives us energy. There are a lot of kinds of energy!
Sunlight has energy. Food has energy. A battery has energy. These are called chemical energy.
Things can move. We can jump rope. A ball can move. A kite can fly. These are moving energy.
Things can be ready to move. Gold a ball in the air. it is not moving. But if you let go it will fall. It is ready to move. This is called potential energy!