Students explain why the number of appliances used today differs greatly from the number used previously. They construct a bar graph to show changes in appliance use over a period of time. They also list appliances that could be eliminated.

It used watt amount of energy? This resource investigates the power usage of small household appliances. Using a watt meter, groups measure the actual wattage used by an appliance and then calculate the energy used daily. 

Reduce energy consumption and save some money at the same time! The third of seven installments in the A Community Powered by Renewable Energy unit focuses on energy use in the home. Learners investigate the energy needs of small and...

Students take a survey of energy-consuming appliances in their homes and calculate the daily cost of operating these machines. They identify those appliances that consume the most energy and consider ways to reduce the amount of energy...

Perform data analysis on energy consumption to apply algebraic expressions to the real world. Learners will write and solve equations that answer various questions from residential power use. They will collect data at home and calculate...

Students complete a worksheet that asks them to calculate the true energy cost of various appliances. They compare appliances with energy saving features, rebates and other economical incentives.

Students evaluate energy-related purchases. In this consumer awareness activity, students visit an appliance store and rank the products' cost effectiveness by using a mathematical formula.

Incandescent light bulbs were enlightening more than 130 years when Thomas Edison invented them. More recently, US Congress passed legislation to increase efficiency standards. Your 5th, 6th, or 7th graders will be enlightened as they...