Endothermic and Exothermic

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases energy in the form of heat, causing the temperature of the surroundings to increase.

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, resulting in a decrease in temperature.

Front

How does temperature change in an exothermic reaction?

Back

In an exothermic reaction, the temperature of the surroundings increases.

Front

How does temperature change in an endothermic reaction?

Back

In an endothermic reaction, the temperature of the surroundings decreases.

Front

What is an example of an exothermic reaction?

Back

Combustion of fuels, such as burning wood or gasoline, is an example of an exothermic reaction.

Front

What is an example of an endothermic reaction?

Back

The process of photosynthesis in plants is an example of an endothermic reaction.

Front

What happens to the temperature when a hand warmer is used?

Back

The temperature increases because the reaction in the hand warmer is exothermic.

Front

What happens when sherbet candy is eaten?

Back

It undergoes an endothermic reaction, causing a cooling sensation in the mouth.

Front

What type of process is baking bread?

Back

Baking bread is an endothermic process because it requires heat to cook the ingredients.

Front

What type of process is cooking an egg?

Back

Cooking an egg is an endothermic process as it absorbs heat to change the state of the egg.