Did you know that some electric lights use less energy than others？ These special lights use only half the amount of electricity compared to other lights． They're as bright as the other ones and they last longer， too． Did you know that an air conditioner uses 20times more electricity than a fan？ Help save electricity by using fans instead． Air conditioners make our lives more enjoyable， but they are more expensive to use than fans． Did you know that the water heater in your bathroom uses a lot of electricity when you have a hot bath？ You should have a hot shower instead because it uses less electricity．


Are the electric lights which use less energy as bright as the others？ ______

How much electricity can we save by using this kind of electric lights？ ______

How many times more electricity does an air conditioner use than a fan？ ______

Which is more enjoyable， air conditioners or fans？ ______

If we want to use less electricity， which one should we have， a hot bath or a hot shower？ ______