Unit 5 - Endo and Exothermic Reactions

Front

In an endothermic reaction, energy is _________.

Back

absorbed

Front

_____ reactions usually feel hot!

Back

exothermic

Front

Surrounding temperature gets warmer during which type of reaction?

Back

exothermic

Front

After you mix two substances together, a new substance forms. This is an example of:

Back

Chemical Change

Front

Which of the following is a sign that a chemical reaction has occurred?

Back

there was color change

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings.

Front

What is an exothermic reaction?

Back

A reaction that releases energy to its surroundings.

Front

Give an example of an exothermic reaction.

Back

Combustion of fuels, such as burning wood.

Front

What happens to the temperature of the surroundings in an endothermic reaction?

Back

The temperature decreases.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.