8B Endothermic Vs. Exothermic Reactions Review

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, usually in the form of heat.

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases energy to its surroundings, often in the form of heat, light, sound, or electricity.

Front

Give an example of an endothermic reaction.

Back

Baking bread is an example of an endothermic reaction.

Front

Give an example of an exothermic reaction.

Back

Burning a candle is an example of an exothermic reaction.

Front

What happens to energy in an endothermic reaction?

Back

In an endothermic reaction, energy is absorbed from the surroundings.

Front

What happens to energy in an exothermic reaction?

Back

In an exothermic reaction, energy is released into the surroundings.

Front

What is a reactant?

Back

A reactant is a substance that exists before a chemical reaction takes place and is transformed during the reaction.

Front

What is a product?

Back

A product is a substance that is formed as a result of a chemical reaction.

Front

What is the main difference between endothermic and exothermic reactions?

Back

The main difference is that endothermic reactions absorb energy, while exothermic reactions release energy.

Front

What is an example of energy release in an exothermic reaction?

Back

An example of energy release in an exothermic reaction is the heat produced when wood burns.