United Scientific® Magnetic Field Demonstrator – Acrylic Case with Iron Filings for Classroom Science Experiments & Physics Education Engino levers and linkages Petri dishes

Petri dishes

symbolizing alternating pentose sugars and phosphate groups

including the Colorado River

Bold bi-directional graduations allow precise volume measurement and dispensing with calibration accuracy within ±2%

Designed for compatibility with hotplates and dry baths

United Scientific® Magnetic Field Demonstrator – Acrylic Case with Iron Filings for Classroom Science Experiments & Physics Education Engino levers and linkages Petri dishesMake invisible forces visible with the United Scientific Magnetic Field Demonstrator. Designed for physics classrooms and science labs, this teaching tool provides a clear and engaging way to visualize magnetic field patterns. The demonstrator consists of a transparent acrylic case filled with mineral oil and suspended iron filings, which instantly align when placed over a magnet. Educators can use it directly on a table or project the field patterns