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PHYSICAL VS. CHEMICAL CHANGE

PHYSICAL VS. CHEMICAL CHANGE. Bell Work. DO SOMETHING TO CHANGE THE SLIP OF PAPER IN FRONT OF YOU. AFTER YOU HAVE CHANGED IT, IS IT STILL PAPER? WHAT COULD YOU DO TO CHANGE THAT PIECE OF PAPER INTO SOMETHING OTHER THAN PAPER?. OBJECTIVES.

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PHYSICAL VS. CHEMICAL CHANGE

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  1. PHYSICAL VS. CHEMICALCHANGE

  2. Bell Work • DO SOMETHING TO CHANGE THE SLIP OF PAPER IN FRONT OF YOU. • AFTER YOU HAVE CHANGED IT, IS IT STILL PAPER? • WHAT COULD YOU DO TO CHANGE THAT PIECE OF PAPER INTO SOMETHING OTHER THAN PAPER?

  3. OBJECTIVES • I WILL BE ABLE TO COMPARE AND CONTRAST CHEMICAL AND PHYSICAL CHANGES. • I WILL BE ABLE TO LIST WHAT OBSERVABLE RESULTS OCCUR DURING CHEMICAL REACTIONS. • I WILL BE ABLE TO DESCRIBE WHAT IS HAPPING ON A MOLECULAR LEVEL DURING A CHEMICAL REACTION.

  4. CHANGING STATION LAB • PUT ON YOUR SAFETY GOGGLES! • WITH YOUR LAB PARTNER BEGIN AT THE STATION NEAREST YOU. • ANSWER THE QUESTIONS ON YOUR GRAPHIC ORGANIZER. • IS IT A CHEMICAL OR PHYSICAL CHANGE? • YOU WILL HAVE 2 MINUTES AT EACH STATION.

  5. SO WHAT IS HAPPENING? • STATION 1: • PEBBLES MIXWITH WATER • = PHYSICAL CHANGE • STATION 2: • MILK VS. SOUR MILK –ODOR =SMELLY! • = CHEMICAL CHANGE • STATION 3: • VINEGAR & BAKING SODA –BUBBLES = GAS! +TEMP CHANGE • = CHEMICAL CHANGE

  6. STATION 4: • ICE, LIQUID WATER, AND WATER VAPOR –PHASE CHANGE • = PHYSICAL CHANGE • STATION 5: • SCREWS–COLORCHANGE • = CHEMICAL CHANGE • STATION 6: • CLAY • = PHYSICAL CHANGE • STATION 7: • VINEGAR & MILK –PRECIPITATE FORMED • = CHEMICAL CHANGE

  7. WHAT DO YOU KNOW? • ON YOUR NOTE-TAKER SUMMARIZE THE MAJOR DIFFERENCES BETWEEN PHYSICAL AND CHEMICAL CHANGE.

  8. ANOTHER NAME FOR A CHEMICAL CHANGE IS ACHEMICAL REACTION! WATCH THIS! HTTP://WWW.YOUTUBE.COM/WATCH?V=66KUHJKQCVM

  9. CLOSURE • WHAT IS HAPPENING ON A MOLECULAR LEVEL DURING A CHEMICAL REACTION?

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