Chem - Day 5 - Physical and Chemical Changes Lab Quiz

Station #1 - Was this a physical or chemical change? Why?

• Physical - gas was produced

• Chemical - gas was produced

• Physical - changes in state of matter

• Chemical - formed a precipitate

Tags

NGSS.MS-PS1-2

Station #2 Part 1 - Mixing of Salt and Water - Was this a physical or chemical change? Why?

• Physical - created a solution and the salt and water are still present

• Chemical - salt disappeared

• Physical - did not change colors

• Chemical - formed a new substance

Tags

NGSS.MS-PS1-2

Station #2 Part 2 - Removed the water - Was this a physical or chemical change? Why?

• Physical - there was not a change in color

• Chemical - salt changed formed

• Physical - the salt was still salt and no change to the chemical composition

• Chemical - water was being burned off by the Bunsen burner

Tags

NGSS.MS-PS1-2

Station #3 - Was this a physical or chemical change? Why?

• Physical - there was not a change in color

• Chemical - produced a gas

• Chemical - heat was given off

• Chemical - a precipitate was formed

Tags

NGSS.MS-PS1-2

Station #4 - Was this a physical or chemical change? Why? (select all that apply)

• Physical - there was a change in state of matter

• Chemical - produced a gas

• Chemical - heat was given off

• Chemical - a precipitate was formed

Tags

NGSS.MS-PS1-2

Station #5 - Was this a physical or chemical change? Why?

• Physical - there was not a change in state of matter

• Chemical - produced a color change

• Chemical - formed a precipitate

• Physical - it is only a mixture of 2 substances

Tags

NGSS.MS-PS1-2

Station #6 - Was this a physical or chemical change? Why?

• Physical - there was not a change in state of matter

• Chemical - produced a gas

• Chemical - formed a precipitate

• Chemical - produced heat

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Station #7 - Was this a physical or chemical change? Why?

• Physical - only a change in state

• Chemical - melted into a liquid

• Chemical - formed a gas

• Chemical - produced heat

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

Which answer below makes a correct statement?

• Physical change only changes the color.

• Physical change only changes the size.

• Physical change changes the matter into something totally different.

• Physical change begins and ends with the same matter.