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3-D Magnetic Field Jar - Demonstration Kit

by Flinn Scientific

Item #: AP7347

Price: $41.85

In the 3-D Magnetic Field Jar Demonstration Kit for physical science and physics, add depth to your understanding of magnetism. This beautiful demonstration reveals the shape and strength of the magnetic field.

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Add depth to your students’ understanding of magnetism—show it in 3-D! Beautiful demonstration clearly reveals the shape and strength of the magnetic field. Simply fill the special jar-and-tube assembly with oil, add iron filings, shake, and insert a magnet. The filings line up along the magnetic field, concentrating especially at the poles where the field strength is greater. Seeing is believing, and this large-scale magnetic field is very visible—and persuasive! Concepts: Ferromagnetic materials, magnetic field, magnetic domains, magnetic poles. Time Required: 15 minutes. Materials Provided: Iron filings, mineral oil, powerful cow magnet, jar with drilled lid and tube. Note: Neodymium magnets (available separately) may be used to demonstrate other magnetic field variations. Materials may be reused for many years!