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  • Rock Candy, also called rock sugar.  A string is suspended in a super saturated solution of sugar.  The sugar crystals will form on nucleation sites along the string.  This sample took three weeks to grow.
    K12-rockcandy9824.JPG
  • Barium chloride (BaCl2) emits a red-orange glow in a flame test.  In this experiment the barium chloride is placed in a watch glass and saturated with ethanol.  The burning ethanol heats the barium to show the characteristic orange flame.
    K13-barium029.JPG
  • Rock Candy, also called rock sugar.  A string is suspended in a super saturated solution of sugar.  The sugar crystals will form on nucleation sites along the string.  This sample took three weeks to grow.
    K12-rockcandy9829.JPG
  • Rock Candy, also called rock sugar.  A string is suspended in a super saturated solution of sugar.  The sugar crystals will form on nucleation sites along the string.  This sample took three weeks to grow.
    K12-rockcandy9825.JPG
  • Rock Candy, also called rock sugar.  A string is suspended in a super saturated solution of sugar.  The sugar crystals will form on nucleation sites along the string.  This sample took three weeks to grow.
    K12-rockcandy9823.JPG
  • A demonstration electric motor.  This motor works on the principles of electromagnetism. Electric current running through the coil a magnetic field that opposes the bar magnets and causes the central shaft to rotate.  This converts electrical energy into rotary mechanical motion. .
    K11-motor4179.jpg
  • An apple and a feather are released at the same time.  The feather that is falling in a vacuum chamber falls at the same rate as the apple in the air.  The feather and the apple have metal pins in them that are attracted to the strong magnets in the release mechanism that can be seen at the top of the image.  The flash is triggered at 1/20th of a second interval.  The apple and feather do accelerate at the same rate..The vacuum pressure was 30 microns.
    K12-gravity-apple001.JPG
  • An apple and a feather are released at the same time.  The feather that is falling in a vacuum chamber falls at the same rate as the apple in the air.  The feather and the apple have metal pins in them that are attracted to the strong magnets in the release mechanism that can be seen at the top of the image.  The flash is triggered at 1/20th of a second interval.  The apple and feather do accelerate at the same rate..The vacuum pressure was 30 microns.
    K12-gravity-apple004.JPG
  • Copper(II) chloride (CuCl2) emits a green-blue glow in a flame test.  In this experiment the copper chloride is placed in a watch glass and saturated with ethanol.  The burning ethanol heats the copper to show the characteristic green flame.
    K13-copper011.JPG
  • Copper(II) chloride (CuCl2) emits a green-blue glow in a flame test.  In this experiment the copper chloride is placed in a watch glass and saturated with ethanol.  The burning ethanol heats the copper to show the characteristic green flame.
    K13-copper019.JPG
  • A two liter soda bottle is filled with 400ml of water and pressurized to 8 atmospheric pressures..When the bottom clamp is released, the soda bottle becomes a rocket that can reach a height in excess of 150 meters.  This activity is used with students to study rockets.  This rocket is photographed with a high speed flash.
    K07waterrockets003.jpg
  • Ice water is placed in a beaker and the air is removed in a vacuum chamber.  Then the air pressure is lower that the waters vapor pressure the liquid will boil.
    K12vac-boil-icewater004.JPG
  • The vacuum chamber setup to boil ice water in a vacuum.  Ice water is placed in a beaker and the air is removed in a vacuum chamber.  Then the air pressure is lower that the waters vapor pressure the liquid will boil.
    K12vac-boil-icewater001.JPG
  • A physical reaction where candy mint mentos are dropped into diet soda.  The sugar coatings on the mints acts like a perfect nucleation site for the dissolved carbon dioxide in the soda to turn into bubbles.  The result is the majority of the carbon dioxide changes from liquid to gas form in just a few seconds.  This sudden change of phase causes a plume of soda to be ejected from the bottle at great force causing the soda to make a fountain two meters high.
    K07HSmentos025.jpg
  • Marshmallows are placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the marshmallows to expand.  The trapped air expands to many the original volume and the marshmallows grows in size.  This image is part of a series taken at different vacuum pressures.
    K12vac-marshmallow005.JPG
  • Marshmallows are placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the marshmallows to expand.  The trapped air expands to many the original volume and the marshmallows grows in size.  This image is part of a series taken at different vacuum pressures.
    K12vac-marshmallow001.JPG
  • Glass of water with a sample of pumice floating.  This demonstration shows that the density of pumice is less than the density of water.
    pumice-floating_0088.jpg
  • Marshmallows are placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the marshmallows to expand.  The trapped air expands to many the original volume and the marshmallows grows in size.  This image is part of a series taken at different vacuum pressures.
    K12vac-marshmallow007.JPG
  • Ice water is placed in a beaker and the air is removed in a vacuum chamber.  Then the air pressure is lower that the waters vapor pressure the liquid will boil.
    K12vac-boil-icewater002.JPG
  • A balloon is placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the balloon to expand.  The trapped air expands to many the original volume and the balloon grows in size.  This image is part of a series taken at different vacuum pressures.
    K12vac-pink-balloon001.JPG
  • Marshmallows are placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the marshmallows to expand.  The trapped air expands to many the original volume and the marshmallows grows in size.  This image is part of a series taken at different vacuum pressures.
    K12vac-marshmallow006.JPG
  • Marshmallows are placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the marshmallows to expand.  The trapped air expands to many the original volume and the marshmallows grows in size.  This image is part of a series taken at different vacuum pressures.
    K12vac-marshmallow004.JPG
  • Marshmallows are placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the marshmallows to expand.  The trapped air expands to many the original volume and the marshmallows grows in size.  This image is part of a series taken at different vacuum pressures.
    K12vac-marshmallow002.JPG
  • Marshmallows are placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the marshmallows to expand.  The trapped air expands to many the original volume and the marshmallows grows in size.  This image is part of a series taken at different vacuum pressures.
    K12vac-marshmallow003.JPG
  • A .22 caliber bullet hitting a pencil.  The bullet is traveling at 660 feet per second (201.2 meters per second). This image shows the collision of the bullet and pencil photographed at  1/1,000,000th of a second.
    K08HSbullets_3768.jpg
  • A balloon is placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the balloon to expand.  The trapped air expands to many the original volume and the balloon grows in size.  This image is part of a series taken at different vacuum pressures.
    K12vac-pink-balloon002.JPG
  • Marshmallows are placed in a vacuum chamber and the air is removed.  As the air is removed the pressure drops causing the air trapped in the marshmallows to expand.  The trapped air expands to many the original volume and the marshmallows grows in size.  This image is part of a series taken at different vacuum pressures.
    K12vac-marshmallow008.JPG
  • A .22 caliber bullet hitting four pencils.  The bullet is traveling at 660 feet per second (201.2 meters per second). This image shows the collision of the bullet and pencil photographed at  1/1,000,000th of a second.
    K08HSbullets_3777.jpg
  • A child experimnets with dropping mentos mints into diet soda.  A physical reaction where candy mint mentos are dropped into diet soda.  The sugar coatings on the mints acts like a perfect nucleation site for the dissolved carbon dioxide in the soda to turn into bubbles.  The result is the majority of the carbon dioxide changes from liquid to gas form in just a few seconds.  This sudden change of phase causes a plume of soda to be ejected from the bottle at great force causing the soda to make a fountain two meters high.
    K07HSmentos027.jpg
  • A .22 caliber bullet hitting a pencil.  The bullet is traveling at 660 feet per second (201.2 meters per second). This image shows the collision of the bullet and pencil photographed at  1/1,000,000th of a second.
    K08HSbullets_3656.jpg
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Ted Kinsman

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