Endothermic Exothermic

Front

In an endothermic reaction, energy is _________.

Back

absorbed and changed into chemical energy.

Front

_____ reactions usually feel hot!

Back

exothermic.

Front

What type of change occurs when a piece of paper is burned?

Back

Chemical Change.

Front

What type of change is iron rusting?

Back

Chemical Change.

Front

What type of change is freezing water?

Back

Physical Change.

Front

Define endothermic reaction.

Back

A reaction that absorbs energy from its surroundings.

Front

Define exothermic reaction.

Back

A reaction that releases energy to its surroundings.

Front

Give an example of an endothermic process.

Back

Photosynthesis in plants.

Front

Give an example of an exothermic process.

Back

Combustion of fuels.

Front

What happens to temperature during an endothermic reaction?

Back

The temperature decreases.