US$ 114.00
configurable across many ratios for transformer-action demonstrations
or a makeup assignment
Refill kit provides replacement materials for AP Biology investigation #6 cellular respiration with pre-measured chemicals and documentation
this 500-count pack of 125mL amber wide-mouth HDPE bottles blocks UV light during photosensitive chemical storage
Optically Worked Double Concave Glass Lens, 38mm Diameter Focal Length:50mm configurable across many ratios forGround and polished glass surfaces produce ray tracing quality images for demonstrating virtual image formation through diverging lenses.
US$ 114.00
US$ 118.00
US$ 118.00
US$ 499.50
US$ 499.50
US$ 184.00
US$ 137.50
US$ 145.00
US$ 98.00