Kentucky 4 H Youth Development Head Heart Hands
- Slides: 15
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. p. H
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. Activity 1: Wading In! p. H © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. What is p. H? p. H is a measurement of the hydrogen ion concentration of a solution. A p. H test is used to determine if a solution is acidic, neutral, or alkaline (basic). p. H level <7 7 >7 Acidic Neutral Basic © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. Why is p. H important? The p. H level of a waterbody can impact plant and animal life (humans included). p. H Level <5 5– 9 6. 5 – 8. 5 7 -8 >9 Impact on Plant and Animal Life Unable to support most aquatic life Tolerable range for most aquatic organisms Safe drinking water range for humans Optimal range for most aquatic organisms Dissolve organic materials (such as animal scales and skin) © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. Many factors influence the p. H level of waterbody. © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. Fossil Fuels Emissions released during the burning of fossil fuels can react with water in the atmosphere to form acidic precipitation. p. H © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. Geology The type of geology can affect the p. H. For example, weathered limestone releases carbonates that can result in an increase in p. H. © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. Photosynthesis p. H Hydrilla Invasive Aquatic Plant Respiration Images: (left) Cleveland Metroparks, Bugwood. org; (right) Robert Vidéki, Doronicum Kft. , Bugwood. org © University of Kentucky. All Rights Reserved. p. H
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. Vegetation The type of vegetation can impact the p. H. For example, pine needles are slightly acidic. Decaying vegetation produces organic acids that can result in a decrease in p. H © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. How is p. H measured? • • Several methods are available to measure p. H No units are recorded when measuring p. H. © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. p. H Chemical Test Kit Images: Mike Meyer, UK © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. p. H Chemical Test Results p. H Level <5 5– 9 6. 5 – 8. 5 7 -8 >9 Impact on Plant and Animal Life Unable to support most aquatic life Tolerable range for most aquatic organisms Safe drinking water range for humans Optimal range for most aquatic organisms Dissolve organic materials (such as animal scales and skin) © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. Macro Mascots © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. Net-Spinning Caddisfly Larvae Net from Larvae Image: Macroinvertebrates. org – see Notes Section for full citation. Image: Wikipedia (Author: Jjmontem) © University of Kentucky. All Rights Reserved.
Kentucky 4 -H Youth Development Head. Heart. Hands. Health. Gilled Snail Image: Missouri Department of Conservation © University of Kentucky. All Rights Reserved.