Why is it important to learn about energy how do we use it in everyday lives

IF about the human body then : its Important because carries out some of our daily life functions by giving us power to do it                                                                                                                                                                                         Electronics : Its important because it supplies our important things such as our homes, phones and many other appliances that we use to make life easier                       

We use it by consuming our food, walking around, digesting our food, its what is able to cause us to be living. 

When the ball is rising up, it gains kinetic energy. when the ball reaches the very top, it will have all potential energy, until it falls back down and gains it kinetic energy. finally when you catch the ball or it falls back down, it would have gained its potential energy back.