Grade 9 Earth Science
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Grade 9 Science Experiment 19 - Photosynthesis - How Plants use the Weather Elements to Feed Themselves



Buy ALL 5 Grade 9 Earth Sciences Projects for only $1.00:


Read This Before Placing your Order:


  • This is a downloadable e-book program.

  • You will NOT receive a physical package shipped to you in the mail.

  • Once you have made your payment via PayPal, select the option to return to this website

  • You will be returned to the download page where you can immediately download all 5 projects and get started right away.

  • This program is NOT available in stores, so you can only access it through this website.


If anything goes wrong with your purchase, and you did not get to the download page, please contact me and I'll email you the download link (this could take up to 24 hours)


Purpose: 


The purpose of this science fair project is to understand how plants use the process of photosynthesis to feed themselves.  Green plants have the ability to capture light and store it as chemical energy in the food they produce.  This food manufacturing process is referred to as "photosynthesis".  Essentially, the captured light contains carbon dioxide and water that is converted into food and oxygen for the plant.  The oxygen plants produce is a major benefit for us as it allows us to breath in our earth environment.


This science fair project will test to see how light plays an integral in photosynthesis.  We will determine whether there is starch in the leaf tissue.  The starch is considered food in the leaf tissue. 


Hypothesis: 


The leaves exposed to light will have more starch in their leaf tissue than the leaves that were not exposed to light. 


Variables:


  • Leaves that completely, partially, or not exposed to light
  • The amount of starch present on each leaf

Materials Needed:


  • Geranium plant
  • Iodine
  • Potassium Iodide crystals
  • Starch
  • Water
  • Dropper
  • Safety Goggles
  • Paper clips
  • Black paper
  • Two Beakers
  • One small beaker
  • Forceps
  • Boiling water
  • Hot alcohol

Buy ALL 5 Grade 9 Earth Sciences Projects for only $1.00:


Read This Before Placing your Order:


  • This is a downloadable e-book program.

  • You will NOT receive a physical package shipped to you in the mail.

  • Once you have made your payment via PayPal, select the option to return to this website

  • You will be returned to the download page where you can immediately download all 5 projects and get started right away.

  • This program is NOT available in stores, so you can only access it through this website.


If anything goes wrong with your purchase, and you did not get to the download page, please contact me and I'll email you the download link (this could take up to 24 hours)



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