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Properties of Gases There are 36 products.
Collapsing Metal Can Demo
This collapsing metal can makes a good introduction to air pressure for any age student. The can, when evacuated by a hand pump, will crumple right before your eyes. You can also boil a small amount of water inside to drive out all the air, then cap it and let it cool. Includes one sturdy metal can, rubber stopper with hose nipple to evacuate can, and screw cap. 23 x 17 x 10 cm in size. This item is single use only.
This collapsing metal can makes a good introduction to air pressure for any age...
This collapsing metal can makes a good introduction to air pressure for any age student. The can, when evacuated by a hand pump, will crumple right before your eyes. You can...
611-2335
.
Bell in Vacuum with Plate and Bell.
Nature, of course, abhors a vacuum - and sound waves won't travel through one. Prove it with a ringing bell inside a sealed glass jar. As air is gradually pumped out of the jar, the bell becomes faint, then dies. Includes jar, vacuum plate with valve, rubber seal, bell system, and instructions. You need a vacuum pump and 2 AA batteries, not included. Bell may be removed for other vacuum experiments. The inside height is 8", the diameter is 8".
Nature, of course, abhors a vacuum - and sound waves won't travel through one. Prove it...
Nature, of course, abhors a vacuum - and sound waves won't travel through one. Prove it with a ringing bell inside a sealed glass jar. As air is gradually pumped out of the jar,...
611-2340
.
Weight of Air Apparatus.
Prove that air has weight by weighing our can before and after evacuating it. The difference is up to 1/2 gram. Includes 1000 mL seamless aluminum can with attached plastic valve and hose. Instructions included. Requires vacuum pump.
Prove that air has weight by weighing our can before and after evacuating it. The...
Prove that air has weight by weighing our can before and after evacuating it. The difference is up to 1/2 gram. Includes 1000 mL seamless aluminum can with attached plastic...
611-2345
.
Guinea and Feather Tube.
This counter-intuitive experiment has to be seen to be believed. Galileo used the traditional guinea (coin) and feather to show how items fall at the same rate in a vacuum despite their relative weights and sizes. Includes 81 cm plastic tube for safety; 2 rubber caps, one with hose cock and hose for evacuating the tube; weight set; instructions. You need a vacuum pump, not included (electric pump preferred).
This counter-intuitive experiment has to be seen to be believed. Galileo used the...
This counter-intuitive experiment has to be seen to be believed. Galileo used the traditional guinea (coin) and feather to show how items fall at the same rate in a vacuum...
611-2350
.
Air Pump, Hand.
This sturdy hand pump has two standard 9 mm hose connectors for use with vacuum and pressure experiments. It features a steel barrel and valve, wood handle and molded rubber piston with triple O-ring seal. Specifications: 35 cm long, 2.5 cm diameter barrel, stroke length 19 cm, displaces 66 mL/stroke.
This sturdy hand pump has two standard 9 mm hose connectors for use with vacuum and...
This sturdy hand pump has two standard 9 mm hose connectors for use with vacuum and pressure experiments. It features a steel barrel and valve, wood handle and molded rubber...
611-2355
.
Vacuum Lifter Atmospheric Mat.
This is a unique way to show the strength of air pressure. Place our mat on a flat surface. Just place and lift with the handle. Why does it "stick" to the surface? 10.5" x 10.5". Includes mat, handle and instructions
This is a unique way to show the strength of air pressure. Place our mat on a flat...
This is a unique way to show the strength of air pressure. Place our mat on a flat surface. Just place and lift with the handle. Why does it "stick" to the surface? 10.5" x...
611-2370
.