Difference |
Endothermic |
Exothermic |
reactions in the environment |
An endothermic reaction takes place when energy is absorbed from surroundings in the form of heat. |
An exothermic reaction is when energy is released from the system into the surroundings. |
reactant |
The endothermic reaction must be supplied with heat - think about the cooking an egg example. The egg needs the heat from the burner/stove to cook. |
The exothermic reaction doesn't need to be supplied with heat. |
reactions in the environment |
An endothermic reaction will cool their surroundings because the reactions draw the heat energy into themselves. |
Exothermic reactions make the surrounding environment hotter since heat energy is released - think about how you would feel warmer sitting in front of a campfire. |
energy |
Endothermic reactions also contain more energy. |
Exothermic reactions will contain less energy. |