Elements, Compounds and Mixtures

What cannot be broken down into other substances?

• Compound
• Mixture
• Solids
• Element

What is made up two or more elements that are chemically combined?

• Element
• Mixture
• Compound
• Solids

Tags

NGSS.MS-PS1-1

A combination of substances that are not chemically combined is called a(n)____________. 

• mixture
• compound
• physical

Mixtures are separated through ___________changes.

• mixture
• compound
• physical

What makes elements and compounds different from mixtures? Elements & compounds-

• have a constant composition (pure substances)

• are made of gases

• Will not change when heated

• conduct electric current

Mixtures are different than pure substances because mixtures-

• have lower boiling points

• can be separated physically

• are less dense than pure substances

• contain only one type of atom

Beatriz wants to make a mixture out of her bowl of blueberries. Which of the following would turn her bowl of blueberries into a mixture?

• adding more blueberries to the bowl

• adding raspberries to the bowl

• cutting up the blueberries

• mashing the blueberries

You are eating a pizza. What type of mixture are you consuming?

• homogeneous
• heterogeneous
• pure substance
• The Periodic Table

A mixture that appears to be evenly mixed throughout:

• an atom
• a compound
• a homogeneous mixture
• a heterogeneous mixture

Salt is a(n)

• element
• compound
• mixture

Tags

NGSS.MS-PS1-1