Unit 2 Matter Test Review

The following is an example of an element.

• sugar

• salt

• cinnamon

• aluminum

A substance made of two or more elements that cannot be separated by physical means is called a:

• heterogeneous mixture

• homogeneous mixture

• compound

• element

Fog is an example of a _____ because it is a heterogeneous mixture that never settles out.

• colloid

• suspension

• compound

• solution

Which of the following is NOT a physical process used to separate mixtures?

• crushing

• boiling

• filtering

• sorting

The smallest particle of a compound that keeps its properties is:

• an element

• an atom

• a molecule

• a substance

When you shine a light through a colloid, its particles “scatter” the light.  What is the name of this test?

• Tyndall Effect

• Kinetic Theory of Matter

• Displacement

• I don't know

A meniscus:

• is the center of the curved surface of a liquid in a container.

• always curves upward

• Another name for a homogeneous mixture

• A way to identify if a mixture is a colloid

Which of the following tools could NOT be used to find volume?

• displacement

• graduated cylinder

• triple beam balance

• ruler

The amount of matter that an object has compared to the amount of space that it takes up is called its:

• density

• mass

• matter

• volume

The density of a homogeneous hershey chocolate bar is 1.2 g/cm³ If you give Ms. Hanson half, what would you expect the density of your half to now be?

• 1.2 g/cm^3

• 0.6 g/cm^3

• Not enough information

• 2.4 g/cm^3