Grade 9 Biology Project 4 - The Reactive Science of the Yeast Plant

Purpose: 

The purpose of this science fair project is to demonstrate how the yeast plant reacts with certain foods.  For example, yeast is used to raise breads.  Yeast is a single celled plant that is a type of fungus.  Yeast is unable to manufacture food because it does not contain the chlorophyll characteristic of green plants.  Yeast cells change certain foods into alcohol and carbon dioxide when they breathe.  This carbon dioxide is what causes bread dough to rise.

This science fair project also involves building a contraption that will measure the rate of reaction of yeast and a sugar solution. 

	Buy The Complete "The Reactive Science Of The Yeast Plant" Project for Only $5.00: This is a downloadable e-book program. You will NOT receive a physical package shipped to you in the mail. The entire package will be immediately available for you to download and get started right away after ordering. This program is NOT available in stores, so you can only access it through this website.

OR

	Buy ALL 5 Grade 9 Biology Projects for only $7.00: This is a downloadable e-book program. You will NOT receive a physical package shipped to you in the mail. The entire package will be immediately available for you to download and get started right away after ordering. This program is NOT available in stores, so you can only access it through this website.

Hypothesis: 

Yeast reacts at a faster rate with certain types of foods.

Variables:

Food type sample

Temperature of water

Materials:

Project #1:

Project #2:

	Buy The Complete "The Reactive Science Of The Yeast Plant" Project for Only $5.00: This is a downloadable e-book program. You will NOT receive a physical package shipped to you in the mail. The entire package will be immediately available for you to download and get started right away after ordering. This program is NOT available in stores, so you can only access it through this website.

OR

	Buy ALL 5 Grade 9 Biology Projects for only $7.00: This is a downloadable e-book program. You will NOT receive a physical package shipped to you in the mail. The entire package will be immediately available for you to download and get started right away after ordering. This program is NOT available in stores, so you can only access it through this website.

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