What is a mixture?

• elements chemically combined

• a combination of different things not chemically joined

• an element found on the Periodic Table

• 2 or more elements chemically reacted together

The basic building blocks of matter are called ______

• molecules
• compounds
• mixtures
• atoms

Tags

NGSS.MS-PS1-1

A(n) _______ is a combination of substances that are combined physically but not chemically.

• element

• molecule

• mixture

• atom

When 2 or more substances are combined so each substance can be separated by physical means, the result is a(n) _________

• chemical change

• compound

• element

• mixture

Tags

NGSS.MS-PS1-2

Another name for a homogeneous mixture is a ________

• mixture

• compound

• neutron

• solution

Which is another term for a homogeneous mixture?

• compound

• substance

• solution

• element

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)

Tags

NGSS.MS-PS1-2

Which is a homogeneous mixture?

• lemonade

• pizza

• salad

• trail mix