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Organization of 4H Module

Organization of 4H Module. Brief Introduction and handouts ( ~30 min) Module Description Worksheet- please return at the end of the module Lab section in room 162 ( ~2.5 h) Five Groups Recap ( ~15 min).

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Organization of 4H Module

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  1. Organization of 4H Module • Brief Introduction and handouts (~30 min) • Module Description • Worksheet- please return at the end of the module • Lab section in room 162 (~2.5 h) • Five Groups • Recap (~15 min)

  2. 4H moduleA Mars GreenhousePrepared by: Hemant Gohil, John Truett, Alex Stimpson,Dr. Ray Bucklin and Dr. Melanie Correll

  3. Mars in the Solar System Earth http://scienceclass.ning.com/

  4. Phoenix Mars Lander: Water on Mars (Artist conception) Phoenix Mission, University of Arizona Image credit: NASA/JPL-Caltech/University of Arizona/Texas A&M University

  5. Atmosphere of Earth and Mars

  6. http://www.spacegarden.net/documents/Plants%20in%20Space%20Introduction%20Presentation.pdfhttp://www.spacegarden.net/documents/Plants%20in%20Space%20Introduction%20Presentation.pdf

  7. Plant – Water-Gas – Human Interactions http://www.nasa.gov/images/content/138008main_jsc2005e43267_hi.jpg Wheeler, R.M. 2004. Horticulture for Mars. Acta Hort: 642 ISHS

  8. PRESSURIZED MARS GREENHOUSE http://www.nasa.gov/images/content/138008main_jsc2005e43267_hi.jpg

  9. PRESSURIZED GROWTH CHAMBER UNDERGROUND

  10. NASA MARS SURFACE GREENHOUSE DOME (low pressure) http://adamstuart.blogspot.com/2007_05_01_archive.html http://science.ksc.nasa.gov/biomed/marsdome/DOMEPIC4.GIF

  11. UF Mars Greenhouses

  12. Activities 1. Assembling a Low Pressure Growth Chamber. 2. Uploading of the software program to the computer that monitors sensor outputs. 3. Programming the Temperature sensor – converting °C to °F. 4. Studying the effect of Low Pressure on Gas dynamics in LPGC. 5. Testing a marshmallow/balloon in low pressure to understand Boyle’s Law.

  13. Activity 1: Assembling a Low Pressure Growth Chamber COVER 12V Power supply Base CR10 Datalogger O2 Sensor

  14. PRESSURE SENSOR OXYGEN SENSOR CARBON DIOXIDE SENSOR 4L TEMPERATURE SENSOR

  15. Activity 2: Uploading of the software program to the computer that monitors sensor outputs.

  16. Activity 2: Uploading of the software program to the computer that monitors sensor outputs.

  17. Activity 3. Programming the Temperature sensor °F = °C*1.8 + 32 Step 1: Collect data in °C Step 2: Multiply data by 1.8 and then store value Step 3: Take stored value from Step 2 and add 32

  18. Activity 4. Studying the effect of Low Pressure on Gas dynamics in LPGC Highlight Columns for Time vs. Pressure Figure Sensors Vacuum Pump

  19. CLICK THE FIGURE ICON While Columns are Highlighted

  20. Select XY Scatter Plot then finish

  21. Final Plot: Sketch line in worksheet, repeat for O2% and CO2 ppm, see other groups if your group doesn’t have a sensor

  22. Activity 5. Testing a marshmallow and balloon in the LPGC to understand Boyle’s law Marshmallow Balloon Boyle’s Law P1V1 = P2V2 • Balloon test • Marshmallow test (note: use ruler setup to measure height and diameter of marshmallow in the chamber)

  23. Activity 6. Calculating the photosynthetic rates at Low pressure LIGHT • 6 CO2 + 12 H2O C6H12O6 + 6 O2 + 6 H2O

  24. HAVE FUN and BE SAFE! • ASSIGN GROUPS #s

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