Planting Science - Projects: The Greeniest Greens
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The Greeniest Greens

Project by group dmsgrayspring2021

Explore We know that for plants to go through photosynthesis they need water, carbon dioxide, and energy (sunlight). After they produce glucose and oxygen they go through cellular respiration. That requires glucose and oxygen. Cellular respiration produces carbon dioxide and ATP energy. Plants also contain cells and are most of the mass is made of water and carbon dioxide. Plant cells are the only cells that contain chloroplasts and cell walls. Carbonated water is regular water with carbon dioxide gas that was dissolved into the water under pressure. Also known as carbonation. The bubbles are formed from the gas not dissolving. According to a study conducted at Colorado University Boulder, carbonated water makes plants grow faster and makes green plants grow greener. Sparkling water contains dissolved nutrients that are easily absorbed by the plants' root system. Saltwater negatively affects plants by dehydrating them. Plants obtain water via their root system through osmosis. This osmosis is facilitated by cells around the hairs of the plant's roots that water passes through very easily.
Research Question How do different liquids affect the growth rate of a plant?
Predictions If we give plants carbonated water, then they will grow faster.
Experimental Design Variables: Independent Variable = Type of water Dependent Variable = Plant growth Variables to Control = Amount of sunlight Materials: Containers for plants, different types of water, sunlight, seeds. Procedure: Step 1 We are wrapping two seeds in a wet paper towel that has normal water on it Step 2 We will put it in a container Step 3 We will wrap two seeds in a different wet paper towel but this time there will be sparkling water on it Step 4 After that we will put it in a container and see which one grows fast Step 5 We will wrap two seeds in a different wet paper towel and this time it will be sugar water Step 6 Then we will put it in a container and see which one grows fastest.
Investigation Theme WOS
Teacher Name Evelyn Gray
School Name DeWitt Middle School
Session Spring 2021

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NSF_Logo.jpg This material is based upon work supported by the National Science Foundation under Grant #2010556 and #1502892. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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