CONTENTS INTRODUCTION... 1 ADDITIONAL DISCREPANT EVENTS... 23
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1 CONTENTS INTRODUCTION ) SCIENCE TEACHER S CHARACTERISTICS...2 A) ENTHUSIASM...2 B) A HIGH SELF-ESTEEM DEVELOP THE ATTITUDE OF I M ACTIVATED DEVELOP THE ATTITUDE OF YOU ARE IMPORTANT DEVELOP THE ATTITUDE OF I CARE FOR YOU...5 C) CREATIVITY...6 D) RESPONSIBILITY...7 E) A SENSE OF HUMOR...7 F) COMMUNICATION...8 SUMMARY: TEACHER S CHARACTERISTICS...9 2) THE NATURE OF SCIENCE AND THE SCIENTIST...10 A) THE NATURE OF SCIENCE...10 B) THE NATURE OF THE SCIENTIST ) THE LEARNING PROCESS...13 A) AROUSE CURIOSITY...13 B) USE SIMPLE MATERIALS...13 C) USE ALL GATEWAYS...14 D) PROVIDE CONTEXT...14 E) DO IT WITH JOY AND ENTHUSIASM...14 SUMMARY: CONDITIONS FOR LEARNING ) THE DISCREPANT EVENT A) PSYCHOLOGICAL BACKGROUND...16 B) WHAT IS A DISCREPANT EVENT?...16 C) HOW TO USE DISCREPANT EVENTS?...17 D) THE EMPIRICAL EVIDENCE...18 THE FORMAT...19 REFERENCES...20 ADDITIONAL DISCREPANT EVENTS AIR THE WEIGHTLESS WATER...24 EXERTS PRESSURE...24 THE BALLOON IN THE JAR...25 EXERTS PRESSURE; EXPANDS WHEN HEATED...25
2 THE CRUSHING POP CAN...26 EXERTING PRESSURE...26 TURN A LITTLE WATER INTO A LOT OF LEMONADE...27 TECHNOLOGICAL APPLICATION; TRANSFERABILITY OF PRESSURE...27 MAKE AN AIR BULLET SHOOTER...28 AERODYNAMICS...28 THE SMOKE RING RACE...29 AERODYNAMICS...29 FLOWING AIR THE LEAPING EGG...30 WIND ENERGY...30 BERNOULLI S PRINCIPLE...30 LIFT A MOTH BALL WITH STREAMING WATER...31 FLOWING FLUID; BERNOULLI S PRINCIPLE...31 THE SELF- PRIMING SIPHON...32 FLOWING FLUID; APPLICATIONS...32 THE SELF-DIRECTING CARDS...33 Resistance...33 WEATHER MAKE A FIRE CYCLONE...34 CYCLONE...34 CHARACTERISTICS OF MATTER THE COOLING RUBBER BAND...35 MOLECULAR NATURE...35 GET THE THREE STATES OF MATTER OUT OF WOOD!...36 STATES OF MATTER...36 MAKE MILK FROM WATER AND OIL...37 COLLOIDS; STATES OF MATTER...37 THE INVISIBLE STEAM...38 STEAM & MOISTURE, STATES OF MATTER...38 IS THE CUP REALLY FULL?...39 MOLECULAR SPACING...39 THE MAGNETIC FINGER...40 SINKING & FLOATING; COMPRESSABILITY...40 THE CLEARING SPOT...41 DENSITY; IMMISCIBILITY THE EXACT PAPER CIRCLE...42 KINDLING POINT...42 THE FUNNY TOOTHPICKS...43 ABSORPTION; SURFACE TENSION...43 HOW MANY PENNIES CAN GO IN?...44 SURFACE TENSION...44 THE STRONG SOAP FILM...45 CAPILLARITY; COHESION & ADHESION; SURFACE TENSION...45
3 THE FLOATING OIL SPHERE...46 DENSITY; SURFACE TENSION...46 WHICH WILL FLOAT WHERE?...47 DENSITY...47 THE UNLEVEL COMMUNICATING TUBE...48 DENSITY...48 THE COMMUNICATING CYLINDERS...49 DENSITY; WATER PRESSURE...49 THE PLASTIC TUBING WATER LEVEL...50 DENSITY; BUOYANCY...51 MAKE YOUR OWN LETTER SCALE!...51 DENSITY; BUOYANCY...51 THE WATER CANDLE?...52 BUOYANCY; MELTING POINT...52 THE FLOATING SOAP BUBBLE...53 DENSITY OF GASES...53 THE DRINKING BIRD...54 HEAT OF VAPORIZATION; VAPOR PRESSURE...54 CHEMISTRY WALK THROUGH A HOLE IN ORDINARY NOTEBOOK PAPER...55 PHYSICAL CHANGES...55 DRAW WITH FIRE...56 OXIDATION REACTION...56 TURN A RED ROSE INTO A WHITE ONE...57 REDUCTION REACTION...57 TURN WATER INTO WINE, MILK, AND BEER!...58 PRECIPITATES; GAS PRODUCTION...58 THE EXPLODING BALLOONS...59 COMBUSTION; PHOTOCHEMICAL REACTION...59 THE AMMONIA FOUNTAIN...60 SOLUBILITY...60 BURN PAPER WITH ICE...61 SPONTANEOUS COMBUSTION...61 THE POTASSIUM CHLORATE BOMBS...62 SPONTANEOUS COMBUSTION; GAS PRODUCTION...62 BURN A PIECE OF METAL IN WATER...63 SPONTANEOUS COMBUSTION...63 THE DELAYED EXPLOSION...64 COMBUSTION; EXOTHERMIC REACTION...64 THE STRAW FLAME THROWER...65 COMBUSTION; KINDLING POINT...65 THE HUMAN FLAME THROWER...66 FLAME AND BURNING...66 THE MAGIC CANDLE...67 FLAME AND BURNING...67
4 THE GLOWING ALUMINUM...68 REACTION ENERGY...68 TOUCH A CRACKER!...69 REACTION ENERGY...69 THE STICKY BOARD...70 ENDOTHERMIC REACTION...70 SHAKING THE BLUES...71 REVERSIBLE REACTION...71 THE COLOR ABSORBING BACON...72 ORGANIC CHEMISTRY; UNSATURATED BONDS...72 MAKE A NYLON THREAD OUT OF TWO LIQUIDS...73 ORGANIC CHEMISTRY; HIGH POLYMERS...73 THE STICKY MATCHES...74 TECHNOLOGICAL APPLICATION...74 MAGIC FLASH PAPER...75 COMPLETE COMBUSTION...75 ENERGY THE SUN-BAKED POTATO...76 NUCLEAR SOURCES...76 THE TEST TUBE GREENHOUSE...77 SOLAR SOURCES...77 START A FIRE WITH A MAGNIFYING GLASS...78 SOLAR SOURCES...78 WILL THE HEAVY BRICK HIT YOUR NOSE?...79 POTENTIAL VS KINETIC; THE PENDULUM...79 THE TWIN PENDULUM...80 ENERGY TRANSFER; THE PENDULUM...80 HEAT THE BROKEN FLAME...81 CONDUCTION; KINDLING POINT...81 WHICH COIN WILL STAY ON LONGER?...82 RADIATION; ABSORPTION...82 MAGNETISM THE MYSTERIOUSLY MOVING NEEDLE...83 MAGNETIC LINES OF FORCE...83 THE DROPPING RACE...84 ELECTROMAGNETIC INDUCTION...84 STATIC ELECTRICITY THE ELECTRIC METER STICK...85 ATTRACTION OF UNCHARGED OBJECTS...85 THE LEVITATION ACT...86 STATIC CHARGES...86
5 CURRENT ELECTRICITY THE BALLOON FUSE...87 CIRCUITS...87 LIGHT THE SIMPLE PERISCOPE...88 REFLECTION...88 SPEAR-FISHING, ANYONE?...89 REFRACTION...89 THE MAGIC OIL...90 REFRACTION...90 WHY DO WE SEE TWO COINS?...91 REFRACTION; TOTAL REFLECTION...91 USE WATER AS A MIRROR?...92 REFRACTION; TOTAL REFLECTION...92 THE REFLECTING BRICK WALL...93 REFRACTION; TOTAL REFLECTION...93 MAKE YOUR OWN RAINBOW...94 REFRACTION & SCATTERING; TOTAL REFLECTION...94 SOUND PLUCK A RUBBER BAND...95 PITCH...95 HEAR THE DOPPLER EFFECT...96 DOPPLER EFFECT...96 THE ELLIPTICAL WONDER...97 REFLECTION...97 FORCES THE BURNING CANDLE SEESAW...98 TORQUES; CENTER OF GRAVITY...98 WHERE IS THE BALANCING POINT?...99 CENTER OF GRAVITY...99 THE PLATE CAROUSEL CENTER OF GRAVITY...loo THE UNREACHABLE CUP CENTER OF GRAVITY; HUMAN BODY STUCK TO THE WALL? CENTER OF GRAVITY; HUMAN BODY THE CENTER-SEEKING PAPER CENTER OF GRAVITY; ADHESION THE STANDING MATCHBOX CENTER OF GRAVITY; SHOCK ABSORBERS STAND A DOLLAR BILL ON YOUR FINGER CENTER OF GRAVITY; AIR RESISTANCE KICK A STRAIGHT LINE CENTER OF GRAVITY; SPINNING OBJECTS...106
6 STAND A RAW EGG ON ITS HEAD CENTER OF GRAVITY; SPINNING OBJECTS THE MAGIC STRIP OF NEWSPAPER ADHESIVE FORCES; FRICTION THE INVISIBLE GLUE FRICTION THE CARDBOARD BOTTOM WATER PRESSURE THE SQUIRTING WATER HOLES WATER PRESSURE THE OUTPOUR RACE WATER PRESSURE; VORTEX IN A LIQUID HIT THE BOTTLE ON THE BACK SWING? The Pendulum HOW MANY SWINGS CAN YOU GET? The Pendulum IS THE BALL REPELLED? ELASTICITY; CONSERVATION OF MOMENTUM PIERCE A POTATO WITH A STRAW? RIGIDITY THE LOOSE KNIFE SUPPORTS STRENGTH OF WEAVED MATERIAL THE DOLLAR BILL BRIDGE STRENGTH OF CORRUGATED MATERIAL HOW LONG CAN YOU HOLD THE BURNING PAPER? STRESSES IN PAPER THE STICKY KNIFE STACKING FORCES HOW CAN WE GET THE CORK OUT? (1) NEWTON S THIRD LAW HOW CAN WE GET THE CORK OUT? (II) FRICTION THE WATER HAMMER COMPRESSION; WATER PRESSURE PUSH A NEEDLE THROUGH A BALLOON? SHEARING THE WATER-TIGHT ZIPLOCK BAG STRETCHABILITY THE MYSTERIOUSLY MOVING BALL FREE FALL; CENTER OF GRAVITY CRUSH THE CAN BY STANDING ON IT? PERPENDICULAR FORCES THE CONFUSED TWIRLING PAPER ROTATIONAL FORCES; TORQUES THE YIP-YIP STICK ROTATIONAL VIBRATIONS; DIRECTIONAL OSCILLATIONS...129
7 CRACK A NUT PRESSURE VS FORCE SPACE SCIENCE ANOTHER BALANCING ACT NEWTON S FIRST LAW PULL THE DOLLAR BILL OUT?! NEWTON S FIRST LAW GET THE EGG IN THE GLASS INERTIA; NEWTON S FIRST LAW THE STRAW ROCKET NEWTON S THIRD LAW THE GRAVITY MACHINE (I) CENTRIPETAL FORCE; GRAVITATION THE GRAVITY MACHINE (H) CENTRIPETAL FORCE; GRAVITATION HOW HIGH WILL THE BALL BOUNCE? CONSERVATION OF MOMENTUM THE TEST TUBE CANNON CONSERVATION OF MOMENTUM; RECOIL THE SPINNING FOOTBALL ANGULAR MOMENTUM; MOMENT OF INERTIA THE HUMAN GYROSCOPE ANGULAR MOMENTUM; PRESESSION THE TIN CAN RACE ANGULAR MOMENTUM; MOMENT OF INERTIA THE CUP OF COFFEE DROP WEIGHTLESSNESS THE WEIGHTLESS NAIL WEIGHTLESSNESS EARTH SCIENCE WHAT IS THE ROCK S S.G.? SPECIFIC GRAVITY HOW CAN WE DETERMINE THE ROCK S VOLUME? ROCKS & DENSITY SIMULATE A VOLCANO ERUPTION VOLCANIC ERUPTION PLANTS THE SWOLLEN EGG GROWTH; OSMOSIS THE TOOTHPICK STAR CAPILLARY ACTION; ABSORPTION HUMAN BIOLOGY ARE WE PARTIALLY BLIND?...149
8 ARE WE PARTIALLY BLIND? THE HUMAN EYE ARE YOU LEFT- OR RIGHT-SIGHTED? (11) EYESIGHT THE SWAYING CARDBOARD PERCEPTION THE FLOATING PIECE OF FINGER PERCEPTION; EYESIGHT THE HAND IS QUICKER THAN THE EYE ILLUSION; EYESIGHT PUT THE BIRD IN THE CAGE ILLUSION; EYESIGHT THE ELLIPTICAL PENDULUM SWING ILLUSION; EYESIGHT IS THE WATER WARM OR COLD? NERVOUS SYSTEM; TOUCH CATCH THE DOLLAR BILL NERVOUS SYSTEM; REACTION TIME HOW FAST CAN YOU REACT? NERVOUS SYSTEM; REACTION TIME THE UNCONTROLLABLE FOOT MUSCLE COORDINATION THE KICKING FROG LEG MUSCLE COORDINATION ARE WOMEN MORE AGILE THEN MEN? BODY BUILD OF MEN VS WOMEN INDEX...162
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