*Unit 1.5-Conservation of Mass & Physical/Chemical Change

Is wood burning a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Is milk going sour a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is sharpening a pencil a physical or chemical change?

• Physical 
• Chemical

Is copper tarnishing a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is the formation of the grand canyon a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

The Law of Conservation of Mass tells us matter can't  ______________.

• change color
• change state of matter
• be created or destroyed
• change temperature

Tags

NGSS.MS-PS1-5

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

• Changing size.

• Changing color.

• A gas being formed.

• A new odor being produced.

Tags

NGSS.MS-PS1-2

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

• State of matter change.

• Size change.

• Production of a gas

• Shape change

Tags

NGSS.MS-PS1-2

Which of the following tells you that a chemical change may have occurred?

• Change Shape

• Melting

• Evaporation

• Precipitate formed

Tags

NGSS.MS-PS1-2

What happens in ALL chemical changes?

• Change in state of matter
• A new substance is formed
• Bubbles are produced
• An explosion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5