State Science Test

Whether something dissolves in water or not depends on its _____.

• hardness

• conductivity

• color

• solubility

Metals such as copper have a high level of _______ and transfer electricity easily, while rubber does not.

• hardness

• conductivity

• color

• solubility

A new substance ________ has at least 1 property that is different from the original substance.

• sometimes

• always

• never

• often

Tags

NGSS.MS-PS1-2

4 signs that a new substance is formed

• color change

• smell

• release of light

• take in or give off heat

• All of the above

Tags

NGSS.MS-PS1-2

____________ are irreversible. You cannot get the original substances back again.

• Chemical change

• Physical change

• mixture

• solution

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Lighting a Match

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Melting Ice Cream

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

Popping Popcorn

• Physical Change

• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Blowing up a balloon

• Physical Change

• Chemical Change

Crumpling Paper

• Physical Change

• Chemical Change