Unit 1 Test Review

A mixture of iron filings and sand can be separated easily because they _______________________.

• maintain their physical properties

• change their physical properties

• form a solution

• change their state of matter

You add a tablespoon of salt crystals to water. After stirring, the salt crystals _________________.

• were destroyed

• changed to a gas

• dissolved into a solution

• were removed

Tags

NGSS.MS-PS1-2

The amount of matter an object has is its ____________.

• weight

• volume

• size

• mass

Tags

NGSS.MS-PS2-4

Which of the following items would be attracted to a magnet?

• water

• glass

• iron

• wood

Tags

NGSS.MS-PS2-3

An object will sink or float in water based on its relative _____________.

• mass

• density

• volume

• size

Which physical properties describe a solid?

• definite volume, definite shape

• definite volume, no definite shape

• no definite volume, no definite shape

Which physical property is used to identify matter based on solubility?

• ability to evaporate

• volume

• ability to dissolve

• mass

Which of these materials would NOT be a good insulator of electricity?

• metal

• plastic

• glass

• wood

A material that has definite volume, but no definite shape is classified as a _________________.

• solid

• liquid

• gas

• not here

A penny, an iron nail and a metal spoon have all of the following properties in common EXCEPT -

• they all conduct electricity

• they all sink in water

• they are all magnetic

• they are all solids