Physical Versus Chemical Change Review

What is a physical change?

• A change in which a substance undergoes a change in its physical properties is called a physical change.

• A change in which a substance undergoes a change in its chemical properties is called a physical change.

Why is tearing a sheet of paper into pieces a physical change?

• Tearing of a paper is a physical change because when the paper is torn only the shape and size of the paper is changed, no new substance is formed.

• Tearing of a paper is a physical change because when the paper is torn only the shape and size of the paper does not change and new substance is formed.

A chemical change

• changes the physical properties of an object, but does not create a new substance.

• creates a new substance and cannot be undone.

Tags

NGSS.MS-PS1-2

Which of these examples is a physical change?

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Is this an example of a physical or chemical change?

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is this an example of a physical or chemical change?

• physical

• chemical

Tags

NGSS.5-PS1-4

Is this an example of a physical or chemical change?

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is this an example of a physical or chemical change?

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is this an example of a physical or chemical change?

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Is this an example of a physical or chemical change?

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4