Science

US$36.88
Students can build a bar-shaped and a U-shaped electromagnet which they power with a 6V battery (not included) or DC power supply (not included), to determine the magnitude and polarity of electromagnetic forces.
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US$2.73
The Magnet Stirrup provides support for bar magnets or friction rods. Allows magnets or friction rods to hang freely and turn in a horizontal plane. Hooks are 89mm apart. Dimensions 3 1/2 x 2 x 1.
Delivery within 2-3 weeks
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US$26.95
This allows you to experiment with Transformer Principles and Induction. The outer coil is 4-1/2" tall and 2-3/4" in diameter. The inner coil is 3-3/4" tall and 1-1/4" in diameter. The removable steel core with handle is 1/2" in diameter and 5-1/2" tall. All coils are wrapped with 20-gauge magnet wire with insulated binding posts as connectors. 
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US$38.50
Includes: Three friction rods: one hard rubber, one hollow glass and one half ground glass. Four pads: one fur, one flannel, one silk, and one wool. 3 balloons and 10 feet of string. Instructions provided. (8-1/4" 1").
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US$31.96
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. The larger spring measures 3" x 4" and can be extended many times its length without distortion. Includes an actvity guide.
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US$26.01

This is a pre-assembled DC Motor designed for students to learn about electromagnetic forces. The open structure resembles the diagram found in many textbooks. The polarity of the magnets can be reversed to change the direction of the rotation. The motor can also be used with a rheostat to observe the change of speed with the change of current.

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US$15.79

Includes: Scalpel handle with blade #22. Probe and Seeker. Two Teasing Needles bent and straight with wood handle. Medicine Dropper. Dissecting Scissors. Cartilage Forceps. 6" Plastic ruler. Items are chrome plated and packaged in a leatherette case. 

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US$24.43
This is for determining the electrical equivalent of heat. The cover contains a mounted heating coil of about 1.5 ohms resistance with standard binding posts for electrical connections. When connected to a 6-volt battery, this coil will cause a temperature rise of about 5 degrees centigrade in 10 minutes.
Delivery within 2-3 weeks
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US$30.22
The Slotted Weight Set is supplied with a 50-gram weight hanger and a reusable plastic storage case:1-50 gram weight hanger, 9-20 grams, 1-10 gram, 2-5 grams.
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US$3.63
The 7-1606-1 is a 3/4" single black pulley. Item# Description 7-1606-1 Single Pulley (3/4"W; .1 lb) 7-1606-2...
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US$35.42

The Alcohol Burner 4 oz. and Stand produces heat at a rate that is safe and appropriate for the IPS experiments. Solid brass wick covers retard evaporation of the alcohol when not in use. Alcohol not included.

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US$92.33
This Solar Oven has reflective surfaces that concentrate heat radiation in the central chamber, resulting in temperatures up to 350 degrees. Use the sun to fry, bake or broil food. Experience and learn about solar radiation. Great for Hunters, Hikers or Campers.
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US$77.00

The Periodic Table Wall Chart (49 1/2" x 38") is printed in four colors to insure easy visibility from every corner of your classroom. Durable material will withstand heavy classroom use. Elements included up through UUQ#114.

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US$7.78
These Wood Splints are helpful for demonstrating oxygen's presence and support of combustion. 3/16" x 5-1/2" x .040 thick. 500/package.
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US$34.50
These detailed kits allow you to build simple inorganic compounds such as H20, NaCI, H2SO4, O2, and C12; simple organic molecules such as ethylene, acetylene, and propane; or complex compounds such as sugar and cyclohexane. Made from a super strong, unbreakable pre-colored plastic. The connecting bonding plugs fit securely yet are flexible enough for double bonding applications. The balls are precision drilled for correct bond angles.
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