Introduction to Matter

What is matter that is made of two or more substances that are blended but are not bonded together?

• elements

• compounds

• mixtures

Which of the following is a homogeneous mixture?

• window cleaner

• granite

• trail mix

• copper

Which of the following is a heterogeneous mixture?

• milk

• campfire

• trumpet

• window cleaner

What is an example of a pure substance

• air

• natural gas

• granite

• copper

True or false? Elements and compounds are pure substances.

• true

• false

Classify the following matter as an element, compound, homogeneous mixture, or heterogeneous mixture:

BAG OF GARBAGE.

• element

• compound

• homogenous mixture

• heterogeneous mixture

Which statement is true?

• A pure substance CANNOT be separated into parts through a physical change.

• A pure substance CAN be separated into parts through a physical change.

• A mixture CANNOT be separated into substances through a physical change.

Which kind of mixture is made of substances that are so small and evenly mixed that you cannot see them?

• homogenous mixture

• heterogeneous mixture

Which kind of mixture is made of different substances within the mixture that are visible by the unaided eye or a microscope?

• homogenous mixture

• heterogeneous mixture

What kind of matter is made with a composition that is always the same with the same kinds of atoms in the same combination?