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Published byVictoria Hodge Modified over 9 years ago
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Do you remember what Physical Properties are???
State of Matter Length Magnetism Texture Density Color Shape Mass Volume
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Practice: Did you know? Matter is changing around you all the time. Some changes are physical and some are chemical A physical property can be observed without changing the substance into something else and no new substance is created.
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Evidence of Physical Change
What does this mean? Only one substance goes into the reaction and one substance comes out. Water Water Evidence of Physical Change
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Cutting a Steak Steak Steak
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What physical property changed?
State of matter Size, shape, mass, volume Is it still the same substance? This is a physical change because before and after being cut the substance is still steak even if the size, shape, and other physical properties changed
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Chemical Property The ability of matter to change into new matter with different properties. A new substance is formed.
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What is the evidence of Chemical Changes?
Both the shape and the chemical composition (type of matter) change. Indicators of chemical changes: Color changes Odor changes Light/glow Change in temp Sound A gas forms A solid forms (called a precipitate)
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Examples of Chemical Change
Burning Wood Rusting iron Cooking an egg
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P- Create a T-Chart in journal and list the following items where they belong.
Physical Change Chemical Change
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Mowing the Lawn
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Fireworks
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Slicing Bread
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Roasting Marshmallows
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Ice Melting
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Glass Breaking
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Baking a Cake
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Rusty Nail
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Cracking eggs
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Lighting a Match
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Digesting Food
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Boiling Water
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Toast
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Frying Eggs
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Fresh Lemonade
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Physical Change Chemical Change Fresh Lemonade Boling Water
Cracking Eggs Glass Breaking Ice Melting Slicing Bread Mowing the Lawn Frying Eggs Fireworks Toast Digesting Food Lighting a Match Rusting Nail Baking a Cake Roasting Marshmallows
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