Pure Substances and Mixtures

A _________________ mixture is one where the substances are evenly spread throughout.

• heterogeneous

• homogeneous

• pure substance

A ______________ mixture is one that does not have a uniform composition.

• heterogeneous

• homogenous

• pure substance

A _____________ contains a variety of elements and compounds that are not chemically combined with each other.

• compound

• element

• molecule

• mixture

A __________________ is a substance that has a fixed composition and definite properties such as appearance, melting point, and reactivity.

• mixture

• pure substance

Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

• heterogeneous

• homogeneous

• pure

Coffee, mouthwash, and vinegar are examples of __________________ mixtures.

• heterogeneous

• homogeneous

• pure

Which of these is a mixture?

• Laundry Detergent

• Salt (NaCl)

• Oxygen (O)

• Fluorine (Fl)

Air is:

• An element

• A compound

• A mixture

• None of these

The picture shown here is what type of mixture?

• homogeneous
• hetergeneous
• pure substance
• element

What is this?

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous MIxture

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2