Physical and Chemical Changes

Front

What is another name for a chemical change?

Back

Chemical reaction

Front

What is an example of a liquid turning into a gas?

Back

Evaporation (e.g., water turning into steam)

Front

Which of these items would most likely rust?

Back

Iron or steel items

Front

In an endothermic reaction, heat is...

Back

Taken in or absorbed

Front

If a chemical reaction is EXOTHERMIC, the temperature would...

Back

Increase

Front

What is a physical change?

Back

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

Front

What is a chemical change?

Back

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

Front

What is an example of a chemical change?

Back

Burning wood or rusting iron.

Front

What happens to energy in an exothermic reaction?

Back

Energy is released into the surroundings.

Front

What happens to energy in an endothermic reaction?

Back

Energy is absorbed from the surroundings.