Discuss that people use electricity or other forms of energy to cook their food, cool or warm their homes, and power their cars.
Forms of Energy
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Investigate and explain that an electrically-charged object can attract an uncharged object and can either attract or repel another charged object without any contact between the objects.
Investigate and illustrate the fact that the flow of electricity requires a closed circuit (a complete loop).
Investigate and explain that electrical energy can be transformed into heat, light, and sound energy, as well as the energy of motion.
Identify some basic forms of energy such as light, heat, sound, electrical, and mechanical.
Observe and describe some basic forms of energy, including light, heat, sound, electrical, and the energy of motion.