oh my!. in your groups think of all the matter you can one person from each group write them on...

Matter & Mixtures & Substances Oh My!

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 Anything that has mass  Composed of atoms

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Matter & Mixtures & Substances

Oh My!

Brainstorm Matter

In your groups think of all the matter you can

One person from each group write them on the board

In your groups again try to sort the ideas into reasonable groupings.

Matter

Anything that has mass Composed of atoms

Properties

PHYSICAL

Describe characteristics of element or compound Ex.:▪ Color▪ Density▪ Boiling point▪ Melting point

CHEMICAL

Determine how the element or compound will react with others Ex.▪ Combustibility▪ Reaction with water▪ Reaction with acids

Page 5: Oh My!. In your groups think of all the matter you can One person from each group write them on the board In your groups again try to sort the ideas

Changes

PHYSICAL

Do not change the nature of the substance Cutting Bending Melting Freezing

CHEMICAL

Change from 1 substance to another Burning Cooking

Evidence Water vapor (smoke) Other gases

Page 6: Oh My!. In your groups think of all the matter you can One person from each group write them on the board In your groups again try to sort the ideas

Substances: constant composition

ELEMENTS

Composed of only 1 type of atom

May be diatomic 2 of same type of atom

bonded together 7 sisters

COMPOUNDS

Composed of more than 1 type of atom

Fixed ratios of elements

Page 7: Oh My!. In your groups think of all the matter you can One person from each group write them on the board In your groups again try to sort the ideas

Mixtures:variable composition

Most things in nature Substances held together by physical

forces Can be separated by physical means Types:

Heterogeneous▪ Visibly different substances or phases / states▪ Trail mix, salad

Homogeneous ▪ Uniform appearance and composition▪ Kool-aid, sugar water

Page 8: Oh My!. In your groups think of all the matter you can One person from each group write them on the board In your groups again try to sort the ideas

Mixtures: Solutions

Solution A type of homogeneous mixture One substance (solute) is dissolved in

another (solvent)▪ Ex. ▪ Solid in liquid: tea, coffee▪ Solid in solid: brass, bronze

▪ Alloy – metal in metal▪ Amalgams: special type of alloy; mercury + another metal

Page 9: Oh My!. In your groups think of all the matter you can One person from each group write them on the board In your groups again try to sort the ideas

Types of Solutions

Solute Solvent ExampleLiquid Liquid Vinegar (acetic acid in

water)Solid Liquid Salt waterGas Liquid Soft drinks (CO2 in

water)Liquid Gas Water in airSolid Gas Smog Gas Gas Air (oxygen, nitrogen,

etc)Solid Solid Bronze (alloy)

Page 10: Oh My!. In your groups think of all the matter you can One person from each group write them on the board In your groups again try to sort the ideas

Mixtures: Colloids

Colloids Homogeneous

mixtures Particles are of

intermediate size▪ Ex. – milk, fog

Show Tyndall effect Emulsions

Type of colloid made of oil and water▪ Ex. – salad dressing

Page 11: Oh My!. In your groups think of all the matter you can One person from each group write them on the board In your groups again try to sort the ideas

Mixtures: Suspensions

Suspensions Heterogeneous mixtures Particles are large enough to settle out▪ Sedimentation▪ Ex.

sand in water – solid in liquid aerosols – liquid in gas

Page 12: Oh My!. In your groups think of all the matter you can One person from each group write them on the board In your groups again try to sort the ideas

Concept Map Create a concept map of matter Include examples

Page 13: Oh My!. In your groups think of all the matter you can One person from each group write them on the board In your groups again try to sort the ideas

Concept Map

Create a concept map of matterMatter

Pure substance

Element Compound

Mixture

Homogeneous

Solution Colloid

Heterogeneous

Suspension

Page 14: Oh My!. In your groups think of all the matter you can One person from each group write them on the board In your groups again try to sort the ideas

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