Environmental Chemistry: Water Treatment and Filtration Hands-On Introduction Kit - Materials for 15 Groups of Students Meters_Electrical Single-decade resistance box covering 1

Single-decade resistance box covering 1 ohm to 10 ohms in 1-ohm steps

This is chromium wire that can be used in many applications in the classroom or lab

Built for introductory head dissection

general-purpose magnification for lab

Environmental Chemistry: Water Treatment and Filtration Hands-On Introduction Kit - Materials for 15 Groups of Students Meters_Electrical Single-decade resistance box covering 1Kit for developing an understanding of processes performed at a water treatment plant, and reasons for each process Activities for demonstrating several procedures that occur in a water treatment plant on "polluted" water Experiments for examining changes in water after each treatment step is performed, and observing physical characteristics of water, and how they are affected from the beginning to end of treatment process Materials for 15 groups of