Electrical Appliances
Air conditioner, lamps, computer, dishwasher, and television set. The list of electrical appliances in your home is probably longer than you’d guess at first glance. Some appliances use more electricity than others. Can you determine the largest energy hog in your home? Plug your mind into this simulation to figure out which electrical devices are costing you and your family the most money.
What is electricity?
Electricity is the flow of electrons. All matter is composed of atoms, which are made up of a nucleus in the center, and electrons that orbit the nucleus. Some types of materials have atoms that can let go of some of their electrons. When these atoms are part of an electrical circuit, the electrons flow through the circuit and provide power for any appliances or items that are a part of that circuit.What is an appliance?
An appliance is a household machine that uses electricity to function. Examples of appliances are dryers, dishwashers, toasters, and air conditioning units.What is the Energy Star program?
Energy Star is a government program run by the Environmental Protection Agency to help encourage shoppers to buy energy-efficient appliances in order to save electricity and reduce the emission of greenhouse gases. If an appliance meets certain efficiency criteria, the manufacturer can have it labeled as an Energy Star product. Different appliances have different criteria that they must meet to be an Energy Star product. In general, appliances must use 20-30% less energy than federal standards mandate.Walkthrough
Tier 2 Lessons: Grades 7 - 12+
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