Nature of Liquid & Gas

Magdeburg Hemispheres – Cups

Two rubber vacuum cups with handles can be used as a simple but effective demonstration of the great force of air pressure. When the edges are placed together and the cups compressed to expel the trapped air, they cannot be easily separated by a straigh... More.

Boyle’s Law Apparatus

This apparatus allows students to investigate the elastic properties of a gas enclosed in a calibrated airtight syringe by subjecting the confined gas to various loads. The syringe is built into a sturdy wood base. The wood top is large enough to suppor... More.

“Charles Law Mechanics of Gas” Can with Lid

Demonstrate the forces of air pressure by boiling water in the can and allowing to cool. See the can get “crushed” right before your eyes. Metal can with lid, 1-1/4" opening. More.

Magdeburg Hemispheres – Spheres

Astonish your students with the force of air pressure. It takes 350 lbs. of force to pull these half-spheres apart after the air inside has been pumped out. Kit consists of two plastic hemispheres (each 6-1/2" in diameter) with O-ring se... More.

Viscosity Tube

Demonstrate the mechanics of fluid by visually comparing the viscosity of four different liquids. Each tube contains a different weight liquid and a 3/8" plated steel ball. The balls are lifted just above the line on the tube with a magnet and then ... More.

Nasco Buoyancy Experiment Kit

Will it float? Will it sink? Explore the factors that cause objects to float or sink. Students also experiment to investigate how shape and weight affect buoyancy. Kit contains: clear plastic box (5-1/8" x 5-3/8" x 1-3/8"), aquar... More.

Nasco Speed of a Bubble Tube Set

An effective introduction to proper techniques of graphing and a powerful way to connect a physical science concept (velocity) with a mathematical idea (slope). Three transparent plastic tubes containing colored fluids of three different viscosities ill... More.

Osmosis & Diffusion

Graphically demonstrate that a cell’s membrane is selective in determining which substances it allows to pass in and out. Using a semi-permeable membrane model that simulates a living cell, your class will observe how this process of diffusion... More.

Spouting Cylinder

Demonstrates that the pressure of a liquid depends on the depth/height. Huge, metal construction. Dimensions: 16-1/2" H x 3" dia. Base is 5-3/4". Baked stoving hammertone finish. More.

Little Shop of Physics – Pressure

This kit provides instructional materials which allows open-ended exploration of science concepts in a way that is engaging, exciting, and effective. Kit includes several “demos” that can be done by the whole class or by the teacher for ... More.