Changes in Matter Test Review

Which lab experiments below describe a situation where a chemical change has occurred? Check all that apply.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

• The baking soda and hydrochloric acid combined, and bubbles formed. 

• The baking soda absorbed the hydrochloric acid. 

• Some of the baking soda dissolved in the hydochloric acid.

• The hydrochloric acid evaporated, leaving only the baking soda. 

Tags

NGSS.MS-PS1-2

What key words, when present in a question about chemical reactions, might indicate a chemical change is occuring? Check all that apply.

• Bubbling

• Fizzing

• Dissolving

• Evaporating

Tags

NGSS.MS-PS1-2

• One of the original compounds came out of solution

• The solutions reacted chemically

• Some of the water froze into ice crystals

• Rapid evaporation of water occured, leaving a solid

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

• The shape of the coal changes

• Oxygen is present

• A new substance is produced

• Coal is made up of more than one element

Tags

NGSS.MS-PS1-2

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

• Physical Change
• Chemical Change

• Physical Change
• Chemical Change

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-4