Endo and Exothermic Reactions

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, usually in the form of heat.

Front

In an endothermic reaction, energy is _________.

Back

absorbed

Front

In an exothermic reaction, energy is _________.

Back

released

Front

What happens to the temperature in an endothermic reaction?

Back

The temperature decreases as the reaction absorbs heat.

Front

What happens to the temperature in an exothermic reaction?

Back

The temperature increases as the reaction releases heat.

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

If the initial temperature is higher than the final temperature, what type of reaction is it?

Back

Endothermic reaction.

Front

If the final temperature is higher than the initial temperature, what type of reaction is it?

Back

Exothermic reaction.