physical and chemical properties/changes

Melting point

• Physical Property
• Chemical Property

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Reacts with water

• Physical Property
• Chemical Property

Tags

NGSS.MS-PS1-2

Solubility (dissolves)

• Physical Proeprty
• Chemical Property

You take out your best silver spoons and notice that they are very dull and have some black spots. 

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

A straight piece of wire is coiled to form a spring. 

• Physical Change
• Chemical Change

Chewing food to break it down into smaller particles represents a _________ change, but the changing of starch into sugars by enzymes in the digestive system represents a ___________change. 

• Chemical then Physical 
• Physical then Chemical
• Both Physical
• Both Chemical

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

Is "wood burning in a fireplace" a chemical or physical change?

• Chemical change
• Physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A brass door knob tarnishes.  Physical or chemical change?

• Chemical change
• Physical change

Tags

NGSS.MS-PS1-2

What does a chemical change result in?

• A phase change in the substance (ex. liquid to solid)
• A change in texture of the substance.
• A change in the way atoms are bonded to each other.
• A change in the way atoms are arranged in space.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of a physical change?

• Baking a birthday cake
• A glass falling and shattering on the floor
• Burning a piece of paper
• Baking soda and vinegar mixing together

Tags

NGSS.MS-PS1-2