Physical vs Chemical

Front

What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into new substances with different properties.

Front

What is a physical change?

Back

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

Front

Give an example of a chemical change.

Back

Baking a cake is an example of a chemical change because new substances are formed during the baking process.

Front

Give an example of a physical change.

Back

Melting ice cream is an example of a physical change because the ice cream changes state from solid to liquid but remains the same substance.

Front

What happens to substances during a chemical change?

Back

During a chemical change, the original substances are broken down and new substances are formed.

Front

What happens to substances during a physical change?

Back

During a physical change, the substances may change form or state, but their chemical identity remains the same.

Front

What is an indicator of a chemical change?

Back

The formation of gas, color change, temperature change, or the formation of a precipitate are indicators of a chemical change.

Front

What is an indicator of a physical change?

Back

Changes in state (like melting or freezing) or changes in shape or size are indicators of a physical change.

Front

Is cooking an egg a chemical change or a physical change?

Back

Cooking an egg is a chemical change because it results in the formation of new substances.

Front

Is breaking glass a chemical change or a physical change?

Back

Breaking glass is a physical change because the glass remains the same substance despite changing shape.