1. Created for CVCA Physics By Dick Heckathorn 2 June 2K + 5
REFRACTION DEMOS
Created for CVCA Physics By
Dick Heckathorn
2 June 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. O-30 Parallel Block

4. 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

5. O-31 Calcite Crystal

6. 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

7. O-31 A Ulexite Crystal

8. 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

9. O-32

10. PLACE TWO COINS ON THE TABLE PLACE A BEAKER ON TOP OF 1 COIN.
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

11. O-33

12. 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

13. O-33A

14. 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

15. O-34

16. O-34

17. O-34

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

20. 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

22. 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

24. 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

26. 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

27. O-38B

28. 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.
0-39

29. O-39

30. O-39

31. O-39

32. O-39

33. O-39

34. O-39

35. O-39

36. O-39

37. O-39

38. RAISING THE PRICE… Green Mug Blue Mug Mass Mug (g) 820 913
Mass Mug+H2O (g)
Volume Liquid (ml)
Per Cent Volume Loss
Per Cent Profit Change
0-39

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

40. O-40

41. O-40

42. O-40

43. 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

44. O-40A

45. 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

46. O-40B

47. That’s all folks!!!