5th Grade Physical and Chemical Changes

Front

What is the pH range for acids?

Back

0-6.99

Front

What method is used to separate a mixture of salt and water?

Back

Evaporation

Front

What is lemonade classified as?

Back

Solution

Front

Which of the following is not a physical change?

Back

Frying an egg

Front

What indicates that a chemical reaction has occurred?

Back

Heat or light is released, gas (bubbles) produced, color change, all of the above.

Front

What is a physical change?

Back

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

Front

What is a chemical change?

Back

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

Front

Give an example of a physical change.

Back

Melting ice.

Front

Give an example of a chemical change.

Back

Burning wood.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.