Support for bar magnets or friction rods. Allows magnets or friction rods to hang freely and turn in a horizontal plane. Hooks are 89 mm apart. Dimensions 3.5" x 2"x1". Shipping weight 10 grams.
Strong Alnico 1 Cylindrical Magnets, shipped in pairs, with separators and keepers. North pole marked with a dot.
Strong Alnico 1 Cylindrical Magnets, shipped in pairs, with separators and keepers. North pole marked with a dot.
A rainbow of 5/8" magnetic marbles that sometimes attract each other and sometimes repel. Used by the Astronauts in experiments in space.
Neodymium (NdFeB) is the most powerful magnet material in the world. Neodymium is classified as an element in the lanthanides section of the Periodic Table. These are the super strong magnets you have heard about that can attract through your hand.
Neodymium (NdFeB) is the most powerful magnet material in the world. Neodymium is classified as an element in the lanthanides section of the Periodic Table. These are the super strong magnets you have heard about that can attract through your hand.
The Intro Kit is ideal for introducing students to the concepts of changing force by levers and pulleys, and the notion of mechanical advantage. The manual describes experiments with three types of levers, single and double pulley systems, and shows the characteristics of each machine. Set includes: 1 lever with centimeter scale, 2 pulleys, 1 spring scale, 2 weight hangers, 1 slotted weight set, 1 base and support rod, 1 support rod with clamp, 2 hook collars, 1 pulley cord, 1 manual and disc.
The Intro Kit is ideal for introducing students to the concepts of changing force by levers and pulleys, and the notion of mechanical advantage. The manual describes experiments with three types of levers, single and double pulley systems, and shows the characteristics of each machine. Set includes: 1 lever with centimeter scale, 2 pulleys, 1 spring scale, 2 weight hangers, 1 slotted weight set, 1 base and support rod, 1 support rod with clamp, 2 hook collars, 1 pulley cord, 1 manual and disc.
Same as 16260, but does not include the Multimeters.
Same as 16260, but does not include the Multimeters.
Just attach a discarded plastic soda bottle to each end of the Tornado Tube, one with water, one empty. Stand the empty bottle on a flat surface, as the water begins to flow down from the full bottle, a vortex will descend from the top with an amazing similarity to a tornado. Bottles not included.
Economical, great for students. Consists of two 3 inch Diameter rubber suction cups. No vacuum pump needed. To demonstrate Atmospheric Pressure.
Economical, great for students. Consists of two 3 inch Diameter rubber suction cups. No vacuum pump needed. To demonstrate Atmospheric Pressure.
Consists of a large "U" shape tube 50 cm in length, with both ends long enough to connect to rubber tubing, mounted on a sturdy wooden base. Large enough for classroom demonstration. Entire unit mounted on heavy metal base.
Encased in a transparent acrylic case which allows full view of the movement. The action can be demonstrated with the help of a rubber bellow which increases the pressure when squeezed. Supplied complete with rubber bellow.
• For 70 years, made in the U.S.A. with over 300 million sold worldwide
• Stretches like an accordion, bounces and walks down steps
• Made of metal for long lasting wiggly jiggly fun
• Comes boxed and perfect for presents, party favors, Easter baskets, grab bags, prizes and stocking stuffers
• Recommended for children 5 years of age and older
For 70 years, made in the U.S.A. with over 300 million sold worldwide. Stretches like an accordion, bounces and walks down steps. Made of metal for long lasting wiggly jiggly fun. Comes boxed and perfect for presents, party favors, Easter baskets, grab bags, prizes and stocking stuffers. Recommended for children 5 years of age and older
For demonstrating longitudinal and transverse wave motion. Consists of a number of eccentric aluminum discs supporting a series of metal rods, joined to a handle. On revolving the handle, simulation of waves can be obtained on the rods running in a metal guide. Mounted on a nicely polished wooden case.
Set includes two helical springs and a length of cotton string. The long narrow spring measures 3/4" x 72", and can be extended to 5 meters. Larger spring measures 3" x 4". Can be extended many times its length without distortion. Includes activity guide. Shipping weight: 2.5 lbs.
Set includes two helical springs and a length of cotton string. The long narrow spring measures 3/4" x 72", and can be extended to 5 meters. Larger spring measures 3" x 4". Can be extended many times its length without distortion. Includes activity guide. Shipping weight: 2.5 lbs.
Heavy duty glass bell jar, ideal for studying the properties of matter under a vacuum or for isolating experiments from outside interference. The wall thickness is approximately 6mm.The dome's measurements are taken from the inside. Fixed Knob.
Heavy duty glass bell jar, ideal for studying the properties of matter under a vacuum or for isolating experiments from outside interference. The wall thickness is approximately 6mm.The dome's measurements are taken from the inside. Fixed Knob.
This pump features a painted steel barrel, steel valve assembly, and a wooden handle. Both in and out ports are equipped with hose connectors, for use with vacuum experiments as well as to generate pressure. Length 14", barrel diameter 1", shipping weight 1 lb.
This pump features a painted steel barrel, steel valve assembly, and a wooden handle. Both in and out ports are equipped with hose connectors, for use with vacuum experiments as well as to generate pressure. Length 14", barrel diameter 1", shipping weight 1 lb.
Bourdon type mounted on brass pillar with nozzles for in and out connections 3/8" O.D. Heavy cast iron base for stability. Calibrated 0-30 inches of Hg / 0-750mm of Hg. Used for Vacuum Experiments.
Bourdon type mounted on brass pillar with nozzles for in and out connections 3/8" O.D. Heavy cast iron base for stability. Calibrated 0-30 inches of Hg / 0-750mm of Hg. Used for Vacuum Experiments.
Huge, metal construction. Baked shoving hammertone finish. Shows that pressure of a liquid depends on the depth/height. Measures 16 1/2" from bottom of base to top of cylinder
This child safety poncho easily goes over your child's head, and will lay over a backpack. Reflective circles and shoulder stripes shine brightly when light hits them, keeping children visible and safe. The bright lime color stands out and helps you keep an eye on your child when in a crowd. Also great for kids that help adult crossing guards before and after school.
• Designed for easy operation
• Durable pavement striping machine
• 12 can storage
• Compatible with Rustoleum traffic marking paint
• 18 gauge all steel construction
Line-Up® Pavement Striping Machines are excellent for use in parking lots, warehouses, plants and factories. The 7” wheel provides a smooth ride on hard surfaces, such as concrete, blacktop and metal. Rugged, durable design.
Designed and developed to be a lightweight B.O.D. carrier. For storage, incubation and handling of reagent B.O.D. bottles from 55-70mm.
Made of high density polypropylene
Chemically resistant
Heat resistant
Sturdy, Heavy duty construction 13 1/8" x 6 3/4" x 6 1/4" 12 pcs
Designed and developed to be a lightweight B.O.D. carrier. For storage, incubation and handling of reagent B.O.D. bottles from 55-70mm. Made of high density polypropylene. Chemically resistant. Heat resistant. Sturdy, Heavy duty construction. 13 1/8" x 6 3/4" x 6 1/4" 12 pcs
Loved by kids for more than 20 years, this best seller got better! Perform astounding feats of magnetism as you playfully explor magnetic forces, motion, and stability. Integrates geometry and art too discuss shapes, positions, planes, symmetry, and more. Fourth edition includes additional coins plus a whopping 44 activities. Ages 8+/Grades 3+. Set includes: 2 super strong magnets encased in stainless steel, 32 newly-minted British pennies plus a bonus US penny, and an activity booklet packed with magnet facts, penny history, and 44 activities.