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Index Results
(52 Results)

AP7076 - \$79.45
Is a stereo speaker just another “black box” to your students? Let students discover for themselves how a speaker works using only two plastic cups, a coil of wire, magnets, and speaker wire to construct a real working speaker. Students will be amazed...
AP4698 - \$22.95
Dramatic, easy-unusual! Drop a nonmagnetic cylinder down a two-foot long metal tube and watch as it falls through the bottom in less than a second. Next, drop a similar-looking magnetic cylinder down the same tube. Your students will be amazed as they...
AP5630 - \$205.95
If a conductor, usually a wire, carries a current and is placed in a magnetic field, it experiences a small force. Electric motors are a good example where such a force occurs. To measure this small force you need a very sensitive balance-like this...
AP5636 - \$140.65
Clearly demonstrate Faraday's law! Pass a magnet through a wire coil connected to an ammeter and the ammeter needle deflects-an electric current is produced. When the magnet stops moving, the needle returns to zero. Which of the three coils generates...
AP5637 - \$64.45
What can lift 100 times its own weight? Answer: This electromagnet! Lift up to 200 pounds using one 1.5 V D-cell battery! Students will remember this dramatic demonstration for years. The precision machined contact surfaces make this electromagnet...
AP5728 - \$29.90
Use this economical kit to teach all the basics of electromagnetism. Students can build a bar magnet or a U-shaped electromagnet. Measure the polarity and magnitude of electromagnetic forces. The kit includes two coils on plastic spools, a U-shape...
AP6758 - \$69.00
Clearly demonstrate Faraday's law! Pass a magnet through a wire coil connected to an ammeter and the ammeter needle deflects-an electric current is produced. When the magnet stops moving, the needle returns to zero. Which of the three coils generates...
AP6271 - \$88.25
A powerful series of lab activities to help your students learn the basics of electromagnetism. • First, students will explore magnetic fields created by electric currents traveling through wires. • Then students build an electromagnet and experiment...
AP6204 - \$6.50
High-quality enameled copper wire neatly packaged on 125-ft spools. Nonconductive, thin enamel coat allows for tightly wrapped coils. Perfect for winding electric motors, transformers, solenoids or electromagnets. Specifications: 22 gauge, maximum...
AP4540 - \$14.20
Demonstrate the conversion of electrical energy to mechanical energy using this small electric motor with attached wheel and axle. Motor runs on regular or homemade batteries. Set includes motor, attached wheel and axle, and a weight (for lifting)....
AP4629 - \$69.35
Seeing “inside” an electric motor as it operates is a real attention-getter. All the parts are clearly visible so you can show each component of a motor or generator in operation. This remarkable teaching tool comes with instructions for performing...
AP4630 - \$58.35
• Electromagnetic Induction • Faraday's Law of Induction • Lenz's Law • Step-up and step-down transformers • Induced current • Induction of current vs. induction of voltage
AP4635 - \$9.95
There is no better way to understand how an electric motor works than to build one yourself! Students first begin by constructing their own motor parts such as the armature, commutator, and brushes. They then assemble the motor parts, hook up the power,...
AP6263 - \$31.25
In minutes, students can build a simple spinning motor using just a magnet, copper wire and a 9-V battery. Once they learn what makes the motor run, they can experiment with various designs to see who can construct the fastest-spinning motor! Excellent...
AP1489 - \$55.85
Superconductivity is the spectacular characteristic of the total disappearance of electrical resistance when a superconductor is cooled below a critical temperature. Critical temperature is the highest temperature at which the superconductive state...
AP9230 - \$61.65
Investigate magnetic fields produced by an electric current. Students observe as a current carrying coiled wire produces a magnetic field perpendicular to the direction of the current. Students learn that the strength of the magnetic field varies with...
AP6588 - \$67.05
Demonstrate how a current-carrying wire in a magnetic field will be acted on by a force. Verify the Right-Hand Rule by changing the direction of the current and observing a corresponding change in the direction of the force. Then, generate alternating...
AP6586 - \$707.80
Arouse your students' interest in electricity with this all-inclusive electricity kit. An assortment of unique equipment is provided for students to conduct over 20 hands-on experiments to discover the properties of electricity and magnetism. Students...
AP6590 - \$52.80
Turn the electricity produced by the Genecon hand generator into a powerful electromagnet! Students experiment with the Genecon hand generator and determine how much physical effort they must exert in order to pick up metallic objects. Next, they can...
AP9261 - \$7.35
A 50 x 6 x 6 mm cobalt steel bar magnet. Cobalt steel makes a great permanent magnet.
AP9263 - \$13.45
Alnico magnets are ferrous alloys of aluminum, nickel, and cobalt. They are well-known for their highly retentive magnetic properties. This magnet is no exception. 150 x 12 x 7 mm.
AP1944 - \$12.95
Cow magnets are used by farmers to trap metal that cows have ingested. Use a cow magnet to demonstrate a three-dimensional magnetic field, the amount of iron in breakfast cereal, and to show in an unusual way that not all metals are magnetic. Students...
AP4655 - \$6.55
These round, flat, disc magnets have very defined poles at opposite ends of their diameters. They will raise many interesting questions for students during their studies of magnetism. Is there a top and bottom to the magnets? Why can they be stacked?...
AP5663 - \$13.65
Quality Alnico magnet with cylindrical shape. Permanent magnet with high magnetic force. Magnet is 100 mm long and 10 mm in diameter.
AP6194 - \$2.83
Ideal support for a bar magnet-stirrup allows the magnet to hang freely in the horizontal plane. Great for polarity demonstrations. Also suspends friction rods for static electricity demonstrations. Hooks are 3 1/2" (89 mm) apart. Magnet not...
AP6965 - \$8.25
Teach your students an exciting lesson about magnetism with this pair of powerful hematite magnets. When tossed into the air, the two ellipsoidal magnets collide and then “wrestle” for equilibrium in a great clattering, buzzing collision....
AP9040 - \$22.20
Two 6" steel bar magnets with North and South poles permanently inscribed. Magnets are painted red on the North poles. Keepers included with AP9040. Available painted or unpainted.
AP9260 - \$19.50
Two 6" steel bar magnets with North and South poles permanently inscribed. Magnets are painted red on the North poles. Keepers included with AP9040. Available painted or unpainted.
AP9262 - \$10.25
A strongly magnetized steel bar with North-South poles permanently inscribed. 150 x 15 x 7 mm.
AP9264 - \$14.85
Very strong pair of bar magnets. Two magnets per package. 100 x 10 x 7 mm. Keepers included for longer life.
AP1738 - \$19.40
Become the owner of one very powerful magnet. Mega-Magnets are from salvaged computer parts and may have a chip or two in them. While they may not always look pretty, they are as strong for their size as any magnet gets! Nine fun activities are included...
AP5322 - \$15.70
Perform dozens of astounding effects with the powerful Mega-Magnet. The Mega-Magnet is so strong it can stop a clock, attract a dollar bill, and even remove the iron from cereal! Try these and other exciting activities outlined in this easy-to-follow...
AP5664 - \$1.34
Good for building generators, motors, and teaching other electromagnetic principles. These economy magnets are not painted and are magnetized parallel to their thickness. Offered in two sizes.   Small Magnet  -  0.75" o.d. x 0.25"...
AP5665 - \$0.31
Good for building generators, motors, and teaching other electromagnetic principles. These economy magnets are not painted and are magnetized parallel to their thickness. Offered in two sizes.   Small Magnet  -  0.75" o.d. x 0.25" i.d....
AP5666 - \$10.85
Unbelievably strong magnet! Watch your fingers if you bring two of them together! These ceramic magnets are a perfect example of how technology is producing new materials with space-age properties. These crystalline, ceramic cobalt-neodymium magnets...
AP9041 - \$19.35
Strong 4" or 6" chrome steel horseshoe magnets with North and South poles permanently inscribed. Magnets are painted red with silver poles. Keeper included for long life.
AP9265 - \$13.70
Strong 4" or 6" chrome steel horseshoe magnets with North and South poles permanently inscribed. Magnets are painted red with silver poles. Keeper included for long life.
AP9266 - \$2.62
Permanent high-strength magnet. 30 x 30 mm. Distance between poles is 14 mm.
AP4654 - \$3.80
Defying gravity? That's what these magnets appear to be doing as they climb up a pencil. What happens if you turn the magnets over? What does the magnetic field of a ring magnet look like-can you map it? These magnets will add a new dimension to your...
AP4748 - \$31.90
Study magnetic fields without the mess of iron filings. The transparent acrylic case is filled with fluid and fine iron filings and then permanently sealed shut. Set the magnetic field demonstrator on an overhead projector. Place a magnet beneath the...
AP5964 - \$42.75
Gravitational versus magnetic force-which is stronger? With this kit, students perform hands-on experiments using the teacher-designed magnetic levitation device. Students will determine the relationship between force and the distance between two objects....
AP6059 - \$9.65
Magnetic levitation seems like magic even if you have witnessed it many times. Use this simple and easy lab apparatus to demonstrate that like poles of magnets repel each other and unlike poles attract each other. When placed on the center pole in...
AP4680 - \$10.25
Versatile for demonstrating the earth's magnetic field. Its large size makes it excellent for magnetic field demonstrations to the entire class. The magnetic needle “floats” on a pin-point pivot and is extremely sensitive and accurate. Small changes...
AP5662 - \$175.00
Don't spend money every year buying new magnets! Remagnetize your old ones in a flash with this high-powered magnetizer. A flip of the switch produces a magnetic field that completely magnetizes soft steel and iron materials. The unit has two 2.5 cm...
AP6457 - \$75.80
Help your students become magnet “experts.” In this hands-on introductory kit, students will experiment with bar magnets to visibly see why magnets “stick” to certain objects, but not others. They will test magnetic polarity, and determine what types...
AP6710 - \$31.40
The perfect magnet set for schools on a tight budget. Perform numerous demonstrations using a ring, bar, or horseshoe magnet to present the important properties of magnetism to your students. Show that some metals are magnetic, while most metals are...
AP7013 - \$141.80
Explore the captivating world of magnetism with this all-in-one kit! • Students learn about the nature of magnets by classifying materials as magnetic or nonmagnetic, and by feeling the attractive and repulsive forces produced between two magnets....
AP7097 - \$47.45
Repelling magnets appear to defy gravity when they are held close together. This “strong” force quickly weakens as the magnets move apart. In this experiment, students examine the force between repelling magnets to determine the mathematical relationship...
AP6838 - \$47.90
Amazing! A slow-moving ball bearing collides with a magnet-ball bearing system, knocking away the last ball in the series, obeying the conservation of momentum. One problem-the knocked-away ball appears to shoot at nearly three times the original speed!...
AP7105 - \$20.05
This large demonstration bell is perfect for many topics in physical science. Use it to test simple electric circuits, to teach about electromagnetism, or to show students how the components of a bell work together. Place the bell inside a large bell...
AP5635 - \$133.20
Ten complete investigations on the basics of electricity. Each set includes enough materials for one lab station (2-4 students), Teacher's Guide, two Student Workbooks, and one ammeter are also provided. The ten investigations include: • Building simple...
AP7275 - \$25.70
Create power! Demonstrate the fundamental principles of generators by converting the spinning mechanical energy into electrical energy that will light an LED. In this simple, easy-to-make device, two powerful neodymium magnets spinning in a coil of...
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