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Lyndsay Wright

on 24 April 2013

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Transcript of Photosynthesis

Part I: The Sun What is Photosynthesis? PHOTOSYNTHESIS Photosynthesis is the way plants eat. Through this process they are able to make their own food. Plants can make their own food anywhere, as long as they have the following three things:
Carbon Dioxide
Light What is the sun? The sun is a star and the largest object in the solar system. It produces light and heat for the planets. Not all of the light makes it to the surface of the Earth. However, the light that does reach Earth is enough for plants to survive through the process previously described - photosynthesis! Light is energy and when that energy reaches a plant a series of reactions occur. However, plants only use a portion of the energy they receive. (Photosynthesis, n.d.) An introduction to the
process of photosynthesis. Photo + synthesis = Photosynthesis Well, simply put photosynthesis is the cycle of plants and how they make energy. Photo means light Synthesis means put together So, photosynthesis means
putting together with light. The plant uses the carbon dioxide, water, and light to make sugar. The sugar is the energy (food) for the plant. (Shafer, 2013) During this process oxygen is produced by the plant, which they let off into the air. (Finnegan, 2013) Photosynthesis Equation:

Carbon Dioxide + Water + Light ---> Sugar + Oxygen http://www.catie.org.uk/images/Plant_Life_Rev01_04.swf Photosynthesis
Part 2: Chloroplast Chloroplast? What's that? Chloroplast are the cells the carry chlorophyll and some other pigments through a plant. Photosynthesis takes place in the chloroplast of the plant. Organelle is the chlorophyll that captures the light from the sun. (Photosynthesis, n.d.) Photosynthesis
Part 3: Molecules What are molecules? Molecules are the simplest structural unit of an element or compound. In plants, chlorophyll is the compound that attracts the light from the sun and begins the process of photosynthesis. Other molecules necessary for photosynthesis to occur are water, carbon dioxide, oxygen, and glucose (sugar). Carbon dioxide and water mix together with light and produce oxygen and glucose. (Photosynthesis, n.d.) Photosynthesis Video Plants only use certain
colors to create photosynthesis.
Most plants absorb only red and blue
wavelengths, which is why most plants
are green. A plant is the color that they do not absorb. (US Botanic Garden, 2013) QUIZ Song http://studyjams.scholastic.com/studyjams/jams/science/plants/photosynthesis.htm Click the link or copy and paste the URL into your browser. Animated Explanation of Photosynthesis Click the link or copy and paste the URL into your browser. Completion Activity Your assignment is to create a cartoon which demonstrates your understanding of photosynthesis. Your comic can be one-frame, six-frame, or any in between. You will be creating your comic on a website called Chogger. You will need to sign up for a free account. Here is the link:

http://chogger.com Here is a sample of a six frame cartoon created by me! If you would prefer to view the cartoon on Chogger - here is the link: http://cho.gr/ui1XU Image Source: http://www.homestead-farm.net/art/kidsArt/photosynthesis-color.jpg Image Source: http://wecpark.com/hort/photosynthesis1.png Image Source: http://www.biology4kids.com/files/art/cell_chloroplast1.gif Image Source: http://www.biology4kids.com/files/art/plant_photosynth1.gif www.chogger.com References:
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