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Changes in MATTER (Endothermic Reactions (Temperature changes when given…
Changes in MATTER
Exothermic Reactions
Combustion
Created by breaking bonds
Energy is released
Products have less energy
Endothermic Reactions
Temperature changes when given energy
The energy from the sun causes the water to evaporate
Constant energy is needed for endothermic reactions
Physical Changes
Properties change
Can be reversed
freezing and melting
Chemical Changes
Changes in reactants
Change in color
Changes in temperature
Odor
Cannot be reversed
