Physical and Chemical Changes

Front

Is glass breaking a chemical or physical change?

Back

Physical change

Front

Thermal energy (heat) is released or absorbed during the reaction explains the _________________

Back

Change in temperature

Front

Which of the following is an indication of chemical change: Melting, Freezing, Burning, Evaporating?

Back

Burning

Front

Is burning wood a chemical or physical change?

Back

Chemical change

Front

What do we call the molecules that are present at the end of a chemical reaction?

Back

Products

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance.

Front

What is a chemical change?

Back

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

Front

List one example of a physical change.

Back

Melting ice.

Front

List one example of a chemical change.

Back

Rusting of iron.

Front

What is an indicator of a chemical change?

Back

Change in color, temperature, gas production, or formation of a precipitate.