Kit Safe Water Single, Contains: Student instructions, Simulated samples of well water, tap water, and bottled water, Nitrate Test Solution, Arsenic Test Solution, Coliform Bacteria Test solution, Labeled droppers, Well Water Testing sheet, Bottled Water Testing sheet
Photosynthesis and Respiration Chamber, Kit Includes: 1 GallonClear glass bottle with cap, 1Rubber stopper size 00, 1Rubber stopper size 7. Use with Neulog* Oxygen logger sensor and/or Carbon dioxide logger sensor as well as software for data acquisition
Snap Circuits * Motion, contains over 50 parts and over 165 projects to complete, hands-on education, Experiments include: Color changing lighted fan, Air fountain, Motion Detector, Master Dimension(LxWxH): 21.5 x 14.25 x 19.25 inch, Master Weight: 22lbs
Filter Paper 215 mm Grade 3 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters
Rubber Stopper, Color: Black, Stays pliable over a long period of time, For use with non-aggressive or concentrated solutions, Low sulfur content, Withstand temperatures from -25 to 70deg C, Approx. No. Per Lb: 16, Dimension: 34x27mm, Hole: 5mm, Size: 6.5