Classification of Matter: Key Concepts and Definitions

Which of the following is an example of non-matter?

• Juice

• Heat

• Air

• Rock

What is the main characteristic of gases in terms of compressibility?

• They are highly compressible

• They are slightly compressible

• They are not compressible

• They cannot be compressed at all

Which state of matter has particles that vibrate in place?

• Liquids

• Solids

• Plasma

• Gases

What does viscosity measure?

• The speed of particles

• The resistance to flow

• The temperature of a liquid

• The density of a substance

Which of the following is a pure substance?

• Salad

• Iron

• Salt water

• Air

What is a compound?

• A single type of atom

• Two or more elements chemically bonded

• A mixture of different substances

• A type of homogeneous mixture

Tags

NGSS.MS-PS1-1

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

• Oil and water

• Salad

• Raisin Bran

• Brass

What type of mixture is Italian salad dressing?

• Homogeneous

• Heterogeneous

• Pure substance

• Compound

Which of the following is a characteristic of a heterogeneous mixture?

• Cannot be separated physically

• Uniform appearance

• Has a definite composition

• Components are distinguishable

What is the composition of air?

• A single compound

• A pure substance

• A single element

• A mixture of different elements and compounds