Energy is something that we are using in our daily life on our planet earth to power our machines and bring comfort to our lives.  Electricity  and  Heat  are the most common  types of energy  that we are using in our homes.  we use electricity to turning lights on, washing clothes, playing video games, cooling ourselves in hot days of summer, having access to the internet, watching television and taking shower by cleaned and pumped water into our homes, etc. we also consume fuels to heat ourselves in winter and cold days.