Amplify - Modeling Matter Unit Assessment

Front

What are emulsifiers used for?

Back

Emulsifiers are substances that help mix two liquids that do not normally mix, such as oil and vinegar.

Front

Which two liquids need an emulsifier?

Back

Oil and vinegar.

Front

What is a substance in terms of matter?

Back

Matter that is made up of only one kind of atom or molecule.

Front

What does it mean to attract?

Back

To pull on an object even without touching it.

Front

Do molecules that mix need an emulsifier?

Back

No, emulsifiers are needed for liquids that do not mix.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

Can water and oil mix without an emulsifier?

Back

No, water and oil do not mix without an emulsifier.

Front

What is an example of a common emulsifier?

Back

Lecithin, found in egg yolks, is a common emulsifier.

Front

What happens when you shake oil and vinegar together?

Back

They temporarily mix but will separate again because they do not form a stable mixture.