Mixtures and Solutions

Mixture

• a mixture is a physical combination of two or more substances that are mixed together but retain their own properties.

• a mixture in which the substances are mixed evenly

• a homogeneous combination

• matter made up of only one type of molecule

Solution

• a substance made by combining two or more different materials in such a way that no chemical reaction occurs.

• cookies and cream ice cream

• a mixture in which the substances are mixed evenly

• a heterogeneous combination

Tags

NGSS.MS-PS1-2

What does homogeneous mean?

• when everything is different

• when water turns to ice

• 2% milk

• consisting of parts all of the same kind.

What does heterogeneous mean?

• vanilla ice cream or coffee

• a substance in which individual components can be easily seen; oil and water, trail mix, etc.

• pink ribbons

What is a solute?

• A greeting in Swahili

• The solution to a math problem

• the substance dissolved in a solution; for example, sugar dissolved into hot tea

• Spongebob's secret ingredient in his crabby patties

A solvent is...

• a physical property of matter

• the answer to a social studies question

• a taekwondo move

• the liquid that dissolves the solute

Evaporation is...

• when a gas freezes

• when a gas turns into a liquid

• when a liquid turns into a gas

• when water turns to ice

Tags

NGSS.MS-PS1-4

Distillation is...

• the action of purifying a liquid by a process of heating and cooling. You heat the liquid then trap the gas and cool it off in another jar.

• a vocabulary word for the blue group

• filtering with sand paper

• when something doesn't dissolve

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Filtration is...

• when you add a solute to a solvent

• when water evaporates

• a way to separate mixtures using nets, filter paper, etc. It is useful for insoluble solids. You can do it with your fingers, too!

• Pink puffy unicorns!

When something is insoluble, it...

• does not dissolve

• dissolves really easily

• dissolves in in hot water

• is hard as a rock (it's a physical property)