Chemical or Physical Change Level 2

Photosynthesis is an example of a

• physical change
• chemical change

Tags

NGSS.MS-LS1-7

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Dissolving sugar in water is an example of a 

• physical change
• chemical change

Tags

NGSS.MS-PS1-4

Cutting a log in to small pieces is a chemical change.

• true
• false

Tags

NGSS.MS-PS1-2

Which is a physical change?

• melting ice
• burning wood
• rotting food
• rusting iron

Tags

NGSS.MS-PS1-4

Which is a chemical change?

• freezing fruit juice
• slicing a potato
• boiling water
• copper metal turning green

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which word does NOT describe a chemical change?

• Precipitate
• Bubbles, production of gas
• Color change
• Evaporate

Tags

NGSS.MS-PS1-2

Which of the following describes a precipitant?

• a liquid forms when a block of metal is heated
• a solid forms when one liquid is poured into another
• a gas forms when a solid is placed in a liquid
• bubbles form when an acid is poured on a rock

Tags

NGSS.MS-PS1-2

Dissolve
Is this a chemical or physical change?

• Physical change
• Chemical change

Tags

NGSS.MS-PS1-2

Which word does NOT describe a physical change?

• Color change
• Evaporate
• Grind, chew, masticate
• Break

A clear liquid is poured into an Erlenmeyer flask that contains a second clear liquid.  As the two chemicals meet a solid is formed, that is yellow in color?  What are the signs that help you to identify the type of change? 

• Precipitate and change in color, Physical Change.
• Color change, Physical Change
• There are two liquids, Chemical change.
• and made a new substance (percipitant and change in color, Chemical Change. 

Tags

NGSS.MS-PS1-2