Grade Level: 7 (6-8)
Choose From: 4 lessons and 10 activities
Subject Areas: Physical Science, Science and Technology
SummaryIn this unit, students explore energy conservation and efficiency concepts via multiple modes. Demonstrations explain the forms and states of energy. Energy flow block diagrams record outputs and inputs to determine the efficiency of conversions and simple systems. The law of conservation of energy and efficiency. Students evaluate the energy consumption in a household and explore potential ways to reduce energy use.
Energy Engineers focus on improving energy efficiency and management. Evaluating energy consumption is a key step engineers take when creating products and processes to conserve energy. Engineers determine how to effectively capture and release energy in forms that are most useful to do work, which can sometimes be accomplished by recovering energy that is lost through inefficient energy conversions.
Suggested activity order:
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Students measure energy outputs and inputs to determine the efficiency of conversions and simple systems. One associated activity includes LEGO® motors and accomplishing work. The other investigates energy for heating water. Students learn about by-products of energy conversions and how to improve u...
Students participate in many demonstrations during the first day of this lesson to learn basic concepts related to the forms and states of energy. This knowledge is then applied the second day as students assess various everyday objects to determine what forms of energy are transformed to accomplish...
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Last modified: January 19, 2021