Physical and Chemical Change

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

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• rust

Tags

NGSS.MS-PS1-2

A change where one or more new substances are created.

• Physical Change 
• Chemical Change 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these is a result of a chemical change?

• A mixture
• A solution
• A new substance
• Melting or freezing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is wood burning a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is milk going sour a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Which of the following is not a clue that a chemical reaction has taken place?

• Changing size

• Changing color

• A gas being formed

• Formation of a precipitate

Tags

NGSS.MS-PS1-2

Which of the following IS a clue that a chemical change has occurred? 

• State of matter change
• Size Change
• Change in temperature
• Shape change

Tags

NGSS.MS-PS1-2

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk

Tags

NGSS.MS-PS1-2

Which is a physical change?

• burning match 
• vinegar in baking soda 
• melting butter
• cooking an egg

Tags

NGSS.MS-PS1-4