What is Energy? Energy is the ability to cause change.

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Presentation transcript:

What is Energy? Energy is the ability to cause change

Objects can gain energy. A pot boiling is gaining heat energy.

Objects can lose energy. A bowling ball loses mechanical energy when it hits the bowling pins.

Energy appears in many forms. heat/thermal light sound mechanical

Thermal Energy Moves molecules Is felt as heat

Light Energy The primary source of light energy is the sun Light energy produces heat

Sound Energy All sound begins when something vibrates

Mechanical Energy The energy of motion

You Decide Which tasks have energy? If so, what kind of energy? Thermal Light Sound Mechanical