Classifying Properties of Matter

Unit 3 Physical and Chemical Properties Review

Standard

7.P.2 Students will be able to demonstrate an understanding of the structure and properties of matter and that matter is conserved as it undergoes changes

7.P.2A.3

Analyze and interpret data to describe and classify matter as pure substances (elements or compounds) or mixtures (heterogeneous or homogeneous) based on composition.

Multiple Choice

Copper (Cu) is a ____.

• mixture

• compound

• element

Multiple Choice

Sodium Bicarbonate is a(n)

• element

• compound

• mixture

Multiple Choice

What type of mixture is sweet tea?

• Homogeneous

• Heterogeneous

• compound

7.P.2B.1

Analyze and interpret data to describe substances using physical properties (including state, boiling/melting point, density, conductivity, color, hardness, and magnetic properties) and chemical properties (the ability to burn or rust).

Multiple Choice

A substance that can be drawn into a wire is said to be ___.

• malleable

• conductive

• ductile

• magnetic

Multiple Choice

The temperature at which a solid will turn to a liquid is called ___.

• condensation point

• boiling point

• melting point

Multiple Choice

To be malleable, a metal must have the ability to...

• ... be drawn into a wire.

• ... be hammered into a shape.

• ... transfer heat and electricity.

• ... be lustrous or shiny.

Multiple Choice

A small marble and a large marble have different densities.

• True

• False

Multiple Choice

The density of a mystery object is 2.7 g/mL. In water, what will this object do?

• sink

• float

Multiple Choice

A rock has a mass of 60 g and a volume of 20 cm3. What is the density of this rock?

• 12 g/cm3

• 3 g/cm3

• 30 g/cm3

• 1200 g/cm3

Multiple Choice

The browning of a banana is a ___.

• physical change

• chemical change

Multiple Choice

A car gets dented in a crash. This is a ___.

• physical change

• chemical change

Multiple Choice

SiO2 + 3HF => SiF4 + 2H2O

• Balanced

• Not Balanced

Multiple Choice

Phenolphthalein is used to test for the presence of what type of substance?

• acid

• base

• neutral

Multiple Choice

A mystery substance has a pH of 9. It is a(n) ___.

• acid

• neutral

• base

Multiple Choice

What color will litmus paper turn when it is dipped into an acid like orange juice?

• blue

• red

• magenta

Multiple Choice

Orange juice tastes sour and is sticky. It is a(n) ___.

• acid

• neutral

• base

Multiple Choice

With a pH of 13, drain cleaner is a very strong ___.

• acid

• neutral

• base