Unit 2 Test (Mixtures & Solutions)

Mixtures are created when two or more ______ are mixed together.

• liquids

• changes

• substances

• rocks

______ means to combine together.

• stir

• distribute

• mix

• solute

Mixture or Solution?

• Mixture

• Solution

Which one of the following would you use to separate sand from iron filings?

• a bar magnet

• filter paper

• sieve

• water

The process of separating small, insoluble solids from a liquid using a filter

• filtration

• handpicking

• sieving

• floatation

How to separate flour from iron nail?

• Hand-picking method

• Filtration method

• Floatation method

• Magnetic attraction

How to separate the jelly beans?

• Filtration method

• Sieving method

• Hand-picking method

• Floatation method

Mixture or Not?

• Not a mixture

• Mixture

Mixture or Not?

• Mixture

• Not a Mixture

What is the definition of a Mixture?

• a combination of one material. Example

• a combination of two or more materials that can be easily separated by some physical means.