Matter

The student will learn: What matter is. How to identify matter.

What is matter? Everything! Definition: Anything that takes up space and has mass is matter. Your desk, paper, pencil, and even the air you breath are matter.

How do you identify matter? We identify matter by its properties How it taste, looks, and feels Its size, shape, and color

What have you learned? What is matter?

What is matter? What have you learned? Everything, Anything that has mass and takes up space

What have you learned? What are some ways to identify matter?

What have you learned? What are some ways to identify matter? By its size, shape, color, looks, taste and feel

Every form of matter has two kinds of properties Chemical Physical

Physical Physical properties: things that can be observed by looking or smelling Physical changes DO NOT form a new substance

Physical Properties Melting point Boiling point Color State of matter Density Hardness Physical changes are characterized by the following:

Here are some ways you can physically change a sheet of paper: Cutting Tearing Shredding Folding Painting Writing on Gluing

Chemical Chemical properties: matter and its ability to change into new matter with DIFFERENT properties. Chemical change can only be observed during a chemical reaction

Chemical Properties Reaction with acids Reaction with bases (alkalis) Reaction with oxygen (combustion) Reaction with other elements Decomposition into simpler substances Corrosion Chemical Changes are characterized by the following:

You are now ready to play “Name That Change!” How To Play For each item, you will need to tell whether a physical or a chemical change has taken place!

physical

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chemical

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Physical or Chemical Change? Burning Paper CHEMICAL

Physical or Chemical Change? Digestion of food CHEMICAL

Sugar dissolving in water PHYSICAL Physical or Chemical Change? Sugar dissolving in water PHYSICAL

Iron turning red when heated PHYSICAL Physical or Chemical Change? Iron turning red when heated PHYSICAL

Physical or Chemical Change? Evaporation PHYSICAL

A pond freezing in winter PHYSICAL Physical or Chemical Change? A pond freezing in winter PHYSICAL

Physical or Chemical Change? Melting ice PHYSICAL

Physical or Chemical Change? Cutting wire PHYSICAL

Physical or Chemical Change? Painting fingernails PHYSICAL

Physical or Chemical Change? Cutting fabric PHYSICAL

Physical or Chemical Change? Baking muffins CHEMICAL

Physical or Chemical Change? Shattering glass PHYSICAL

Decomposition of old leaves CHEMICAL Physical or Chemical Change? Decomposition of old leaves CHEMICAL

Physical or Chemical Change? Wrinkling a shirt PHYSICAL

Physical or Chemical Change? An old nail rusting CHEMICAL

Congratulations! You have successfully played “Name That Change!”