Physical and Chemical Changes

Front

What is a chemical change?

Back

A chemical change is a process where a substance transforms into a different substance with new chemical properties, often involving a reaction that produces heat, light, or gas.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is a physical change?

Back

A physical change is a process that alters the form or appearance of a substance but does not change its chemical composition.

Front

Is burning coal a chemical or physical change?

Back

Burning coal is a chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Is bending copper wire a chemical or physical change?

Back

Bending copper wire is a physical change.

Front

Are hard boiled eggs a chemical or physical change?

Back

Hard boiled eggs are a chemical change.

Tags

NGSS.MS-PS1-2

Front

What happens to the substance in a physical change?

Back

In a physical change, the substance retains its original properties and is still the same substance after the change.

Front

What happens to the substance in a chemical change?

Back

In a chemical change, the original substance is transformed into one or more new substances with different properties.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Is adding sugar to coffee a chemical or physical change?

Back

Adding sugar to coffee is a physical change.

Front

What is an example of a chemical change?

Back

An example of a chemical change is rust forming on iron.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice.

Tags

NGSS.MS-PS1-4