Warm Up 9/16 Grab a yellow warm up sheet from stool

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Presentation transcript:

Warm Up 9/16 Grab a yellow warm up sheet from stool SWOD: PHYSICAL CHANGE pg 19 Review your grades from the grade list

Announcements Midterms due tomorrow @ 3pm

Marshmallow Give me some physical properties of the object Tell me some chemical properties of the object

Properties Review 2 different types PHYSICAL PROPERTIES CHEMICAL PROPERTIES Atoms would be the same state of matter appearance -Atoms could change -Can’t get the substance back PHYSICAL PROPERTIES EX: CHEMICAL PROPERTIES EX: Color Flexibility Texture State of matter Magnetic Conducts heat Breakable Density Mass -Flammable -Reactive -tarnish/corrosive -rust Read these examples 

Physical and Chemical Properties PHYSICAL PROPERTY Draw 1 example of a physical property Explain why it is a physical property in this box CHEMICAL PROPERTY Draw 1 example of a chemical property Explain why it is a chemical property in this box

Changes When it actually changes Physical Change: changes size, shape, color, &/or state of matter (but its still the same thing) http://www.youtube.com/watch?v=6egx7jHxmwM same atoms Chemical Change: changes what it completely is, chemical reactions REACTS gummy bear Alkali Metals Reacting Video different arrangement of atoms  can’t get original atoms back Physical vs. Chemical

Property vs. Change Property = description or could change in the future Change = change 5 evidences of a chemical change PCOGT – Precipitate (solid forms) Color change Odor(smell) Gas forms Temperature change Evidence of a chemical change http://resources.educ.queensu.ca/science/main/concept/gen/g09/N.%20Sabet/precipitation.jpg

What are the 5 evidences of a chemical change? Precipitate Color change Odor/smell Gas produced Temperature change

What is an acronym? What about a phrase to help you remember things D.A.R.E C.S.I. Please excuse my dear aunt sally Every Good Boy Does Fine Kings play chess on fat guys stomachs “Pirates Can Obtain Great Treasures”

Come up with an acronym to help you remember these 5 changes Osos Can Produce Grande Turds Temperature change Color change Precipitate Odor/smell Gas produced

PHYSICAL PROPERTY PHYSICAL CHANGE CHEMICAL PROPERTY CHEMICAL CHANGE Draw 1 example of a physical property Explain why it is a physical property CHEMICAL PROPERTY Draw 1 example of a chemical property Explain why it is a chemical property PHYSICAL CHANGE Draw 1 example of a physical change Explain why it is a physical change CHEMICAL CHANGE Draw 1 example of a chemical change Explain why it is a chemical change