Chemical Changes

Front

What is a chemical change?

Back

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

Front

What indicates a chemical change?

Back

A temperature change can indicate a chemical change.

Front

What is a precipitate?

Back

A precipitate is a solid that forms when two liquids combine in a chemical reaction.

Front

What are signs of a chemical reaction?

Back

Signs of a chemical reaction include the formation of a gas, color change, temperature change, and the formation of a precipitate.

Front

What is fizzing an example of?

Back

Fizzing is an example of a chemical change.

Front

What is the difference between a chemical change and a physical change?

Back

A chemical change results in new substances, while a physical change does not change the substance's chemical identity.

Front

What happens during a chemical reaction?

Back

During a chemical reaction, bonds between atoms are broken and new bonds are formed, resulting in new substances.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change, as it produces ash and gases.

Front

What does it mean when a gas is formed in a reaction?

Back

The formation of a gas during a reaction indicates that a chemical change has occurred.

Front

What is solidification?

Back

Solidification is the process of a substance becoming solid, but it is not a chemical change.