Oersted's Apparatus, demonstrates the action of electric current on a magnet. A cobalt steel needle (75mm long) with agate bearing supported by pivot, mounted on a plastic base and surrounded by rectangular frame fitted with terminals, 0.6 lbs, 8.0x7.5x1.8in
Elephant Toothpaste Kit, Includes: 150ml Hydrogen Peroxide, 3%, 30ml Dish Soap, 1 Clear Bottle, 8oz, 5g Yeast, 5 5oz Plastic Cups, 5 Stir Sticks, Demonstration that is classroom safe and shows the effects of a catalyst on a chemical reaction, For grades 2-5
Diffraction Grating Slides, 500lines/mm, Highly efficient embossed Holographic Optical Elements, For the direct viewing and analysis of spectra from different gas tubes and other light sources, Use in conjunction with colored film gels, Dimension: 2x2in
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