Demonstrate how energy can be transformed from one form to another (e.g., from electrical energy to heat, light or mechanical energy).
Unifying Concepts of Science.
Systems and Energy (SAE)
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Explain that when energy is transformed or converted from one type to another, there is no net loss of energy.
Given a specific example or illustration (e.g., simple closed circuit, rubbing hands together) predict the observable effects of energy (i.e., the bulb lights, a bell rings, hands warm up). A test item may ask, “What will happen when…?”
Given a real-world example, show that within a system, energy transforms from one form to another (i.e., chemical, heat, electrical, gravitational, light, sound, mechanical).
Recognize that most chemical and nuclear reactions involve a transfer of energy.
Explain the law of conservation of energy.