Evidence of Possible Chemical Changes

Which of the following is evidence of a possible chemical change?

• chalk breaking

• water condensing

• an apple rotting

• a rock cracking

Tags

NGSS.MS-PS1-2

Which of the following is evidence of a possible chemical change?

• a new odor

• chewing

• compressing

• glass shattering

Tags

NGSS.MS-PS1-2

Which of the following is evidence of a possible chemical change?

• oxidation

• breaking

• evaporating

• melting

Tags

NGSS.MS-PS1-2

Which of the following is NOT evidence of a possible chemical change?

• bubbles

• precipitate

• dissolving

• breaking chemical bonds

Tags

NGSS.MS-PS1-2

Which of the following is NOT evidence of a possible chemical change?

• cracking

• color change

• endothermic or exothermic temperature change

• oxidation

Tags

NGSS.MS-PS1-2

Type the silly sentence that helps you remember the evidence of possible chemical changes.

Tags

NGSS.MS-PS1-2

Which of the following is evidence of a possible chemical change?

• Temperature increase or decrease when two substances are mixed

• Water changing from a liquid to a solid in the freezer

• Water warming up on the stove

Tags

NGSS.MS-PS1-2

Which answer choice lists evidence of two possible chemical changes?

• rusting and freezing

• melting and precipitate created

• bubbles and precipitate formed

• dissolving and evaporating

Tags

NGSS.MS-PS1-2

Which of the following is evidence of a possible chemical change?

• paper tearing

• stretching

• warming when heat energy is added with a hot plate

• combustion

Tags

NGSS.MS-PS1-2

What does a chemical change result in?

• A change in state of the substance (ex. liquid to solid)

• A change in texture of the substance.

• A change in the way atoms are bonded to each other.

• A change in the appearance of the substance.

Tags

NGSS.MS-PS1-2