$ 475.30
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Create A Working Nitrogen Cycle Using Living Organismsinvestigate Environmental Connections Between Fish, Nitrifying Bacteria, And Plantsidentify The Sources For Nitrate, Nitrogen Dioxide, And Ammonia In An Aquatic Systemstudents Explore The Importance Of Different Biotic And Abiotic Factors Involved In The Nitrogen Cycle. They Care For 3 Separate Tanks (Each Containing Either Fish, Plants, Or Bacteria), Monitoring The Levels Of Different Nitrogen Ions. After Discussing The Results, Students Apply Their Knowledge By Constructing A Complete Nitrogen Cycle That Combines The Fish, Bacteria, And Plants Into 1 System. Includes Enough Materials For At Least 30 Students Working In Groups. Receive A Free Digital Teacher'S Manual And Student Guide With Purchase.Freshwater Fish Care Sheetcare Guide: Germinating Seedswarning: Prop 65California Proposition 65:Warning: Cancer – Close Windowinquiries In Science Biology: Exploring The Nitrogen Cycle : Sample Teacher'S Manual