Ask students to use computation skills to explore how energy and water are used in common situations.
Skills supporting learning standards: problem-solving, computation
Raise student awareness about energy consumption and conservation by challenging students to calculate the amount of energy or water used in common situations and determine which options are more efficient. Copy and distribute the activity and have students complete the page independently. Review the answers as a class. Ask volunteers to share their pledges.
- A. a CFL lightbulb uses less energy; B. savings = 51 kWh
- A. 3,650 gallons of water; B. 13,140 gallons of water; C. a 5-minute shower uses less water; D. savings = 9,490 gallons of water
- A. a window fan uses less energy; B. savings = 258 kWh
- A. leaving water running uses 4 gallons of water daily, 1,460 gallons of water yearly; B. turning water off while brushing uses 2 gallons of water daily, 730 gallons of water yearly; C. turning water off while brushing uses less water; D. savings = 730 gallons