Physical and Chemical Changes & Properties

Freezing Juice?

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Exploding Fireworks?

• Physical Change 
• Chemical Change 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Melting a chocolate bar?

• Physical Change
• Chemical Change 

Tags

NGSS.MS-PS1-4

Rotting bananas?

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

Cutting your hair?

• Physical Change
• Chemical Change

What happens when a piece of wood burns?

• A physical change takes place.
• A chemical change takes place.
• The wood loses its gravity.
• The wood loses its inertia.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which answer makes a correct statement?

• Physical change only changes the size.
• Physical change only changes the color.
• Physical changes begin and end with the same matter.
• Physical changes change the matter into something total different.

A change that does not result in a new substance.

• Physical Change
• Chemical Change 

Tags

NGSS.MS-PS1-4

A teacher is demonstrating physical and chemical changes to her class. Which action should she use to demonstrate a chemical change?

• cutting a piece of paper
• folding a piece of paper
• tearing a piece of paper
• burning a piece of paper

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A physical change...

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

• creates a new substance and cannot be undone.