Separating Mixtures

What would be the best way to separate a mixture of gravel and water?

• Using a screen

• Using a filter

• Using an evaporation disk

• Using a magnet

All mixtures can be separated the same way.

• True

• False

The ________ of the materials in a mixture can be used to separate the mixture.

• taste

• physical properties

• color

• appearance

Magnetism is a property that can help separate mixtures.

• True

• False

Tags

NGSS.MS-PS2-3

How can density help you separate a mixture?

• Part of the mixture will change color

• Part of the mixture will dissolve

• Part of the mixture will sink or float

• Part of the mixture will evaporate

What is evaporation?

• The change of state from liquid to gas

• The change of state from liquid to solid

• The change of state from gas to liquid

• The change of state from solid to liquid

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Salt crystals always look _______.

• rectangular

• square

• circular

• triangular

How are solutions made?

• by dissolving solids, liquids, or gases into another substance

• by mixing solids, liquids, or gases

• by separating solids, liquids, or gases

• by evaporating liquids

What is a mixture?

• When elements are dissolved into another substance

• When a liquid is dissolved

• When elements are filtered out

• When elements combine but don't bond

What is a heterogenous mixture?

• a mixture that is not uniform thoughout

• a mixture that is uniform throughout

• a mixture with 2 elements

• a mixture with 3 elements