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REFRACTION DEMOS

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  1. REFRACTION DEMOS Created for CVCA Physics By Dick Heckathorn 23 May 2K + 5

  2. PARALLEL BLOCK • LOOK AT YOUR FINGER THROUGH THE BLOCK AS YOU ROTATE THE BLOCK. • LOOK AT SOME PRINTING THROUGH THE BLOCK AS YOU ROTATE THE BLOCK. • CAN YOU EXPLAIN • WHAT IS HAPPENING? • 0-30

  3. CALCITE CRYSTAL • PLACE THE CRYSTAL ON TOP • OF SOME PRINTING. • ROTATE THE CRYSTAL WHILE LOOKING AT THE PRINT. • HOW MANY IMAGES CAN YOU SEE? • EXPLAIN WHAT IS HAPPENING? • 0-31

  4. ULEXITE – T.V. STONE • PLACE THE ULEXITE ON TOP • OF SOME PRINTING. • ROTATE THE CRYSTAL WHILE • LOOKING AT THE PRINT. • CAN YOU EXPLAIN WHAT IS HAPPENING? • 0-31A

  5. REAPPEARING COIN • PLACE A COIN IN AN EMPTY DISH. • PLACE YOUR HEAD SO THAT • YOU JUST CANNOT SEE THE COIN. • HAVE SOMEONE POUR WATER INTO THE DISH. • WHAT IS HAPPENING? • O-32

  6. SHIFTING COIN • PLACE TWO COINS ON THE TABLE • EYE WIDTH APART • PLACE A BEAKER ON TOP OF 1 COIN. • POUR WATER IN THE BEAKER WHILE LOOKING AT EACH COIN WITH ONE EYE. WHAT HAPPENED? • O-33

  7. PENNY DROP • WHILE LOOKING ONLY THROUGH THE END OF THE TANK, DROP A PENNY • INTO THE BEAKER. • DO NOT TOUCH THE WATER • WITH THE COIN BEFORE YOU DROP IT. • EXPLAIN WHY THE COIN • DID NOT DROP INTO THE BEAKER. • O-33A

  8. MYSTERY ROD • LOOK AT THE LETTERS USING ROD-A • WHY ARE SOME RIGHT SIDE UP… WHILE OTHERS ARE UPSIDE DOWN? • REPEAT USING ROD-B • REPEAT USING ROD-C • WHAT IS GOING ON? • 0-34

  9. CABLE CAR REFRACTION • EXPLAIN THE CHANGE • IN HOW THE CAR LOOKS • WHEN YOU CHANGE • THE DIRECTION • OF YOUR OBSERVATION? • O-34A

  10. IMMERSION OIL • REMOVE CAP WITH GLASS ROD ATTACHED. • PLEASE DO NOT SPILL. • REPLACE CAP WHILE LOOKING AT GLASS ROD IN THE OIL. • WHAT HAPPENED TO THE ROD? • O-35

  11. DISAPPEARING COIN • PUT A COIN UNDER AN • EMPTY BEAKER. • LOOK AT THE COIN THROUGH • THE SIDE OF THE BEAKER. • POUR WATER INTO THE BEAKER. • WHAT HAPPENED TO THE COIN? • 0-38

  12. PAPER WEIGHT • HOW MANY DOTS CAN YOU SEE WHEN LOOKING INTO THE TOP OF THE GLASS PAPER WEIGHT? • NEXT, COVER HALF THE TOP WITH YOUR HAND WHILE LOOKING INTO THE OTHER HALF. • WHAT DO YOU OBSERVE? • O-38A

  13. 14-CARET RING • COVER HALF THE TOP OF THE RING WITH YOUR HAND WHILE LOOKING INTO THE OTHER HALF. • WHILE LOOKING INTO THE RING UNDER AN INCANDESCENT LIGHT BULB, ROTATE THE RING • WHAT DO YOU OBSERVE ? • 0-38B

  14. RAISING THE PRICE… • FIRST HOLD THE BLUE AND THEN THE GREEN FILLED MUG AT EYE LEVEL? • ARE THEY FULL? • PLACE EACH MUG INTO THE CONTAINER WITH WATER IN IT. • ARE THEY FULL? • 0-39

  15. MYSTERY ROD • PLACE ME ON SOME PRINTING. • WHAT DO YOU OBSERVE? • WHAT DO YOU THINK • THE ROD IS DOING? • 0-40

  16. FIBER OPTIC FLASHLIGHT • TURN ON THE FLASHLIGHT. • WHAT DO YOU OBSERVE? • HOW DOES THE LIGHT GET FROM THE FLASHLIGHT TO THE END OF THE FIBER OPTIC? • 0-40A

  17. FIBER OPTIC CLOCK • TURN ON THE LIGHT BULB? • WHAT DO YOU OBSERVE? • HOW IS THE CLOCK PRODUCING DIFFERENT COLOR LIGHT AT THE END OF THE FIBER RODS? • O-40B

  18. That’s all folks!!!

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