Question: Answer the following question given this paragraph: All chemical reactions, even exothermic reactions, need a certain amount of energy to get started. This energy is called activation energy . For example, activation energy is needed to start a car. Turning the key causes a spark that activates the burning of gasoline in the engine. The combustion of gas won't occur without the spark of energy to begin the reaction. Q: The energy a chemical reaction needs to get started is called what kind of energy? Choices: - function - conduction - fusion - activation A:
Answer:
activation