Transcript changes - Warren County Schools

PROPERTIES
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PROPERTIES ARE CHARACTERISTICS
THAT DESCRIBE AN OBJECT.
THINK OF PROPERTIES AS ADJECTIVES OR
DESCRIPTIONS
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IT LOOKS BLUE.
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IT SMELLS LIKE A SKUNK.
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WOOD HAS THE ABILITY TO BURN.
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IRON HAS THE ABILITY TO RUST.
CHANGES
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CHANGES ARE THINGS THAT CAN HAPPEN
TO AN OBJECT. “HOW DID IT CHANGE??”
THE WORD “CHANGE” IS A VERB...SO
PHYSICAL AND CHEMICAL CHANGES ARE
ALSO VERBS.
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I BROKE THE PENCIL IN HALF.
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I CUT THE ORANGE INTO PIECES.
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THE HOUSE BURNED DOWN.
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THE BICYCLE RUSTED IN THE RAIN.
PHYSICAL PROPERTIES
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WHAT DOES IT LOOK LIKE?
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WHAT DOES IT TASTE LIKE?
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WHAT DOES IT FEEL LIKE?
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WHAT DOES IT SMELL LIKE?
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WHAT DOES IT SOUND LIKE?
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MASS, WEIGHT, AND DENSITY ARE ALSO
PHYSICAL PROPERTIES.
PHYSICAL CHANGES
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PHYSICAL CHANGES
REVERSED.
CAN BE EASILY
IF YOU MELT A PIECE OF ICE, YOU CAN
REFREEZE IT.
IF YOU BOIL WATER, YOU CAN
CONDENSE THE STEAM BACK INTO A
LIQUID
IF YOU TEAR A PIECE OF PAPER, YOU
CAN TAPE IT BACK TOGETHER.
PHYSICAL CHANGES
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PHYSICAL CHANGES
REVERSED.
CAN BE EASILY

TEAR A SHEET OF PAPER IN HALF

CUT A PIECE OF FRUIT

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DISSOLVE SUGAR IN A PITCHER OF
WATER
CHANGING STATE

VAPORIZATION
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CONDENSATION
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SUBLIMATION
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DEPOSITION
CHEMICAL PROPERTIES
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IT HAS THE ABILITY TO BURN
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IT HAS THE ABILITY TO RUST
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IT HAS THE ABILITY TO RELEASE ENERGY
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IT HAS THE ABILITY TO PRODUCE GAS
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IT HAS THE ABILITY TO CHANGE COLOR
UNEXPECTEDLY
IT HAS THE ABILITY TO CHANGE ODOR
UNEXPECTEDLY
CHEMICAL CHANGES
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CHEMICAL CHANGES CAN
EASILY REVERSED.
NOT BE
CHEMICAL CHANGES ACTUALLY SHOW
THE CHEMICAL PROPERTIES.
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THE HOUSE BURNED DOWN.
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THE BICYCLE RUSTED IN THE RAIN.
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THE TWO CLEAR LIQUIDS TURNED PURPLE
WHEN MIXED TOGETHER.
5 SIGNS OF CHEMICAL CHANGE
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UNEXPECTED COLOR CHANGE
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• IODINE + STARCH = COLOR CHANGE
RELEASE OF ENERGY
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• FIREWORKS
UNEXPECTED ODOR
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• ROTTEN EGGS, SPOILED MILK
PRODUCING GASES OR SOLIDS
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• VINEGAR + BAKING SODA = GAS
THE CHANGE WAS NOT EASILY REVERSED
• BURNED PAPER CAN'T BE CHANGED
BACK INTO A SHEET OF PAPER.