ch. 2 sec.1 describing matter goal students- will learn about matter and its chemical and physical...
TRANSCRIPT
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CH. 2 SEC.1CH. 2 SEC.1
DESCRIBING MATTERDESCRIBING MATTER
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GOALGOAL
• STUDENTS- WILL LEARN ABOUT MATTER AND ITS CHEMICAL AND PHYSICAL PROPERTIES.
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Matter is everywhereMatter is everywhere
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MATTERMATTER
• MATTER- IS ANYTHING THAT HAS MASS AND TAKES UP SPACE.
• KEY – MATTER IS EVERYTHING AROUND YOU: FROM THINGS YOU CAN’T SEE LIKE AIR, TO THE DESK, CHAIR, AND EVEN YOU.
• BUT YOUR FEELINGS, THOUGHTS, ETC ARE NOT MATTER!!!
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Can matter be invisible?Can matter be invisible?
• Answer? Why?
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SUBSTANCESUBSTANCE
• SUBSTANCE- IS A SINGLE TYPE OF MATTER THAT IS PURE- MEANING IT ALWAYS HAS A SPECIFIC MAKEUP- OR COMPOSITION- AND A SPECIFIC SET OF PROPERTIES.
• EX- SALT, SUGAR• KEY- EVERY FORM OF MATTER HAS TWO
KINDS OF PROPERTIES- PHYSICAL PROPERTIES AND CHEMICAL PROPERTIES
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Copy chartCopy chart
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PHYSICAL PROPERTIESPHYSICAL PROPERTIES
• PHYSICAL PROPERTIES- IS A CHARACTERISTIC OF A SUBSTANCE THAT CAN BE OBSERVED WITHOUT CHANGING IT INTO ANOTHER SUBSTANCE. EX -DENSITY, HARDNESS, FREEZING AND MELTING POINTS, SGL, COLOR, TEXTURE
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CHEMICAL PROPERTIESCHEMICAL PROPERTIES
• CHEMICAL PROPERTY- IS A CHARACTERISTIC OF A SUBSTANCE THAT DESCRIBES IS ABILITY TO CHANGE INTO DIFFERENT SUBSTANCES. WHEN YOU BURN SOMETHING YOU CHANGE ITS CHEMICAL PROP.
• EX- BURNING WOOD, RUSTING IRON
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ELEMENTSELEMENTS
• ELEMENT- IS A PURE SUBSTANCE THAT CANNOT BE BROKEN DOWN INTO ANY OTHER SUBSTANCE
• KEY- ELEMENTS ARE THE SIMPLEST SUBSTANCES
• EX - COPPER, GOLD, OXYGEN
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YOU ARE MADE OF YOU ARE MADE OF ELEMENTSELEMENTS
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PARTICLES OF ELEMENTSPARTICLES OF ELEMENTS
• ATOM- IS THE BASIC PARTICLE FROM WHICH ALL ELEMENTS ARE MADE.
• KEY- ATOMS HAVE THE ABILITY TO COMBINE WITH OTHER ATOMS.
• CHEMICAL BOND- WHEN ATOMS COMBINE AND THE FORCE OF ATTRACTION FORMS A NEW SUBSTANCE
• MOLECULES- GROUPS OF TWO OR MORE ATOMS HELD TOGETHER BY A CHEMICAL BOND. EX-H2O , CO2, …..C12H22O11
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Copy the AtomCopy the Atom
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MoleculesMolecules
• http://apps.theodoregray.com/molecules
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COMPOUNDSCOMPOUNDS
• COMPOUND- A SUBSTANCE MADE OF TWO OR MORE ELEMENTS CHEMICALLY COMBINED IN SET RATIO.
• KEY- WHEN ELEMENTS ARE CHEMICALLY COMBINED THEY FORM COMPOUNDS HAVING PROPERTIES THAT ARE DIFFERENT THAN THE INDIVIDUAL ELEMENTS.
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ExamplesExamples
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MIXTURESMIXTURES
• MIXTURES- 2 OR MORE SUBSTANCES NOT CHEMICALLY COMBINED.
• EX- SALAD, SOIL• 2 TYPES• HETEROGENEOUS MIXTURE- YOU
CAN SEE THE DIFFERENT PARTS. EX SALAD
• HOMOGENEOUS MIXTURE- CANT SEE THE PARTS. EX- SUGAR WATER
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COPY IN NOTESCOPY IN NOTES
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EXAMPLESEXAMPLES
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SECTION 1 ASSESSMENTSECTION 1 ASSESSMENT
• WRITE THE QUESTION AND ANSWER FROM THE TEXT BOOK P.
• 1-AB
• 2-AB
• 3-AB
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BRAINPOPBRAINPOP