Endothermic and Exothermic Crossword Puzzle
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QUESTIONS LIST:
- endothermic : a reaction that absorbs energy
- exothermic : a reaction that releases energy
- catalyst : a substance that can increase the rate of a reaction without being used up
- activation energy: the minimum amount of energy needed to start a chemical reaction
- time: goes along the x axis of the reaction profile
- reactants: go first on a reaction profile
- products: go second on a reaction profile
- enthalpy: a change in energy beginning with e
- heat: a type of energy that can be absorbed or released into the surroundings
- ice pack: an example of a endothermic reaction
- hand warmer: an example of an exothermic reaction
