Effectiveness of Sunscreen, Kit, Kit Includes: 15ml SPF 15, 15ml SPF 30, 1 Box Microscope Slides, Electromagnetic radiation in the UV range of the spectrum cannot be perceived by the human eye. Using the Neulog* UVB sensor designed to measure UVB radiation.
Ocean Trash Can Kit, Designed for 24 students work in groups of 4. Grades: 7 - 10, Students classify ocean pollution into five basic categories; debris, toxins, dissolved nutrients, particulates, and oil. They model the effects of ocean pollution with activities
Kit is climate change making us sick, Conduct simulated antibody tests for allergens, Graph and analyze data to determine if there is a correlation between temperature, pollen counts, and allergy symptoms, Refill pack contains all materials to refill 10 kits
Kit, Stem Investigations: Design A Biodegradable Plastic, Includes: 25 mL Glycerin, 75 mL Vinegar, 175 g Gelatin, 125 g Starch, 45 Petri dishes, 30 Pipettes, contains enough materials for 15 groups. Teacher's Manual and Student Study Guide copy masters are included