Google doc to work off of:
https://docs.google.com/document/d/1FlYyZMEb5uroqCT1xV1rouMBBvH5IhEQ7tjugeh8Ib8/edit?usp=sharing



http://www.doctordirt.org/teachingresources/soilfilter

YouTube videos/lab exercises related to the grape Kool-Aid activity: 
Soil is a Filter: https://www.youtube.com/watch?v=Ve2eXis0j9I 
Soil is a Filter Annotated: https://www.youtube.com/watch?v=ex9WiWdOwaI 
Water Cycle Experiment: https://www.youtube.com/watch?v=og9cQKxlFnE


NGSS Standards that could be addressed by the guided inquiry activities (nutrient holding capacity and water holding capacity): 

HS-ESS2-2. Analyze geoscience data to make the claim that one change to Earth's surface can create feedbacks that cause changes to other Earth systems. http://www.nextgenscience.org/pe/hs-ess2-2-earths-systems

HS-ESS2-5. Plan and conduct an investigation of the properties of water and its effects on Earth materials and surface processes. http://www.nextgenscience.org/pe/hs-ess2-5-earths-systems