Substances and Mixtures

Which is another term for a homogeneous mixture?

• compound

• substance

• solution

• element

Blood is _______________

• an unevenly mixed heterogeneous mixture

• a homogeneous element

• always an evenly mixed substance

• the elements of hydrogen and oxygen with extra electrons

Salt water is a ____________

• compound

• element

• molecule

• mixture

Rusted iron (Fe₂O₃) is ________________

• an element

• a compound

• a mixture

• an ion

Tags

NGSS.MS-PS1-1

Which below is a heterogeneous mixture?

• crushed concrete (limestone, sand, and other rocks)

• gold dust (Au)

• rusted iron (Fe₂O₃)

• distilled water (H₂O)

Which is a homogeneous mixture?

• lemonade

• pizza

• salad

• trail mix

Which are the 2 kinds of substances?

• compound and element

• element and ion

• electron and proton

• nucleus and electron cloud

Why is a compound classified as a substance?

• It has a composition that is always different

• It has a composition that is always the same

• It has elements that are similar

• It has ions that include water lily perfume in a fancy bottle

A substance is matter that is always made of the _______ combination of atoms and chemically bonded together.

• same

• opposite

• mixed

• heterogeneous

Tags

NGSS.MS-PS1-1

How are heterogeneous mixtures and solutions different?

• solutions are evenly mixed and heterogeneous mixtures are not

• heterogeneous mixtures are evenly mixed and solutions are not

• they are not different, they are the same

• solutions have elements and heterogeneous mixtures do not