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
Professional Powder-Free Textured Nitrile Exam Gloves with Aloe, Size Large
Save with this large package of 300 medium-size nitrile exam gloves!
These goggles meet the American National Standards Institution (ANSI Z87.1) and Canadian Standards (CSA Z94.3) regulations.
Affordable pack of 10 PPE face shields for protection from liquids.
This set includes three (3) N95 FDA registered and NIOSH approved and respirators.
These disposable surgical-style earloop face masks conform to the ASTM F1862 Level 1 clasification. Box of 50.
Build a model green house and 9 other green energy-related devices with this great kit!
View the glory of space with this hi-tech telescope set!
Over 300 electronics projects in this kit will keep the young scientist busy!
Check out this high-quality gyroscope!
Build your very own smart robot!
Experience this sphere powered by the sun!
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