Introduction

What makes a car move?

What helps human beings perform activities like walking, running, talking, writing, and jumping?

We are able to perform all these activities with energy. This energy is obtained from the food we eat. That is why when we do not eat, we feel weak and it becomes hard for us to walk, run, talk, write, jump etc.

What makes a car move and human beings perform all their activities is what is known as energy.

Energy is what makes the television in our homes function. Energy helps objects function.