Endothermic |
heat energy absorbed (whether in a physical or chemical change)
Examples: liquid water to steam, photosynthesis, “cold” packs to treat injuries |
Exothermic |
heat energy released (whether in a physical or chemical change)
Examples: liquid water to ice, burning wood, cooling food in the refrigerator |
Kinetic Energy |
energy of movement of the particles
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Potential Energy |
energy absorbed or given off to change the phase of a substance; chemical potential energy is stored in the bonds of substances.
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Heat Energy |
also called just “heat” or “energy”
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