Pure Substances vs. Mixtures

Matter is anything that has...

• weight and volume

• mass and density

• mass and weight

• mass and volume

matter is categorized as _____ or _____

• an element or compound

• homogeneous or heterogeneous

• a pure substance or mixture

• a compound or mixture

Contains two or more different substances that are physically, not chemically, combined

• a mixture

• an element

• a compound

• a chemical formula

Heterogeneous mixture

• A mixture with a composition that varies from point to point

• A mixture with a uniform composition and appears visually the same throughout

Homogeneous mixture

• A mixture with a composition that varies from point to point

• A mixture with a uniform composition and appears visually the same throughout

A substance that can NOT be broken down by physical or chemical means

• element

• compound

• mixture

Which is an example of a container filled with a pure substance?

• a glass of iced tea

• a bucket of salt water

• a tire filled with air

• a balloon filled with helium

A substance that can be broken down by physical means is ...

• an element

• a compound

• a mixture

two or more atoms bonded together is...

• an element

• a big atom

• a molecule

• a mixture

Tags

NGSS.MS-PS1-1

An element is?

• Chemically combined

• Pure substances that can be broken down

• Pure substances that cannot be broken down into simpler substances

• One or more elements chemically combined.