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.
LED grow light, 24inch, high performance strip, perfect for a wide variety of plants, Sleek, rugged aluminum housing provides cooling-technology that eliminates unwanted heat, Light Output: 2,640 lumens, Power Consumption: 24W, Number of LED Diodes: 48, Color Temp: 6400K
Refill Oil Spill Junior Kit, learn to measure data and compare results, Great for teaching scientific process, Includes student lab page, Designed to accommodate 32 students working in pairs. Target Grades: K-5, To learn oil containment and removal techniques
Oil Spill Junior Kit, learn to measure data and compare results, Great for teaching scientific process, Includes student lab page, Designed to accommodate 32 students working in pairs. Target Grades: K-5, To learn oil containment and removal techniques