Matter & Change Unit Review

The study of matter and its changes best describe the science of

• Microbiology

• Chemistry

• Physics

• Biology

The smallest unit of matter that retains the properties of that matter is

• Molecule

• Compound

• Mixture

• Atom

Which statement best describes an element?

• Any combination of two or more atoms of different types

• A pure substance made up of only one kind of atom

• A substance containing only carbon atoms

• Any kind of crystal

Which of the following is an extensive property of matter?

• Boiling Point

• Density

• Volume

• Melting Point

Which of the following is an intensive property of matter?

• Energy content

• Density

• Volume

• Mass

Which of the following changes is a physical change of matter?

• Water evaporating

• Burning paper

• A nail rusting

• A silver spoon tarnishing

Which of the following changes is a chemical change of matter?

• Ice melting to produce water

• Vinegar combining with baking soda to produce carbon dioxide

• Water boiling to produce water vapor

• Liquid silica solidifying to form glass

A homogeneous mixture is one that

• Contains only one element

• Is uniform in composition

• Cannot change state easily

• Acts as a solvent

Which of the following is an example of a heterogeneous mixture?

• Tap water

• Chunky peanut butter

• Kool-Aid

• Gold ring

What is the difference between a mixture and a compound?

• All mixtures have a uniform composition

• Mixtures can be separated by physical processes

• Mixtures are made of at least two different elements

• All mixtures are heterogeneous