What is required before a chemical change?
kinetic energy energy usage activation push activation energy activation switch activation power Burning fuel and air Evaporation
A B C D E F G H
Chemical changes are a result of chemical reactions.
Activation energy must be used before a chemical change happens.
What is required before a chemical change? (A) kinetic energy (B) energy usage (C) activation push (D) activation energy (E) activation switch (F) activation power (G) Burning fuel and air (H) Evaporation