Endothermic and Exothermic Crossword Puzzle

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