Chemical vs Physical Changes

Is water melting a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is salt dissolving in water a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

Is digesting your food a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

When baking soda and vinegar mix it creates a bubbly mess. Is this a chemical or physical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

If a new substance is formed would this be a physical or chemical change?

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?

• Texture
• Temperature
  
• Shape
•  Mass

Tags

NGSS.MS-PS1-4

A change where one or more new substances are created.

• Physical Change 
• Chemical Change 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A copper penny turning greenish after a few years is an example of ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

A change in phase ...

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-4