Physical and Chemical Changes/Law of Conservation of Matter

Which of the following is not a clue a chemical change has occurred?

• change in temperature

• change in color

• change in shape

• odor

Tags

NGSS.MS-PS1-2

Is adding sugar to a cup of tea to create a solution a chemical or physical change?

• chemical

• physical

• both

When a nail begins to rust because it has been outside too long this is an example of a _____________ change.

• chemical

• physical

• both

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Burning and melting a candle is a _______________ change.

• chemical

• physical

• both

Eating and digesting a hamburger is an ______________ change?

• physical

• chemical

• both

Tags

NGSS.MS-PS1-2

NGSS.MS-LS1-7

Using an eraser is a ____________________ change.

• chemical

• physical

• both

Burning a log in a fire place is a ______________ change.

• chemical

• physical

• both

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When you blow bubbles into milk this is a ____________ change?

• chemical

• physical

• both

This picture is an example of which chemical clue?

• temperature change

• precipitate

• smell/odor

• bubbles

Tags

NGSS.MS-PS1-2

Which of the following is not a phase change of matter?

• condensing

• freezing

• burning

• boiling

Tags

NGSS.MS-PS1-4