PS Final Review

Three examples of physical change are ____.

• sawing of wood, crushing a can, and toasting a marshmallow

• burning of gasoline, rotting of an egg, and exploding fireworks

• freezing of water, evaporation of gasoline, and rusting a nail

• boiling of water, bursting of a balloon, and crumpling a piece of paper

The shape of a wooden block is a ____.

• physical property

• chemical change

• physical change

• chemical property

When a log burns in a fire, ____.

• mass is lost

• new substances are formed

• mass is gained

• a physical change has occurred

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When two or more substances are combined so each substance can be separated by physical means, the result is a(n) ____.

• element

• compound

• mixture

• chemical change

Matter that has a definite volume and a definite shape is a ____.

• liquid

• gas

• solid

• plasma

Tags

NGSS.MS-PS1-4

A gas-like mixture with no definite volume or shape that is made up of positively and negatively charged particles is a ____.

• liquid

• plasma

• gas

• solid

Matter with no definite volume and no definite shape is a ____.

• gas

• plasma

• solid

• liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Matter that has a definite volume but no definite shape is a ____.

• liquid

• solid

• plasma

• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Most matter ____ when heated.

• expands

• condenses

• contracts

• solidifies

Tags

NGSS.MS-PS1-4

In a solution, the substance that is being dissolved is ____.