This classroom demonstration device is perfect for understanding the patterns created by magnetic lines of force. The viewer is a flat and sealed clear plexi-box filled with iron filings dispersed in oil. The iron filings float in a layer of the oil and orient themselves according to the mangetic force of any magnet placed under the apparatus. The lines of force can be displayed for the whole classroom to see via use of an overhead projector. Excellent for entry-level earth science and magnetic experiments.
Note: Magnet not included
Recommended for protection against chemical splashes. A must have for every young chemist!
This set includes two (2) N95 NIOSH approved respirators.
These goggles meet the ANSI Z87.1, 2010 High Impact standards.
Extra thick medical examination gloves - 60mil. Great for extra protection.
Extra-large nitrile exam gloves designed and manufactured for superior protection against viral, bacterial, and certain chemical hazards.
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
This microscope is so versatile you can even take it with you on a job site!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
Build a model green house and 9 other green energy-related devices with this great kit!
This classic desk toy will keep you amused!
This black scorpion specimen is great for the classroom setting!
This project book and sample kit introduces you to shape-memory alloy technology!
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