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Photosynthesis

This educational resource explores the fascinating process of photosynthesis, illustrating how green plants make their food using sunlight, water, and carbon dioxide. Learn about the essential components, including chlorophyll, and discover how these elements combine to produce glucose and oxygen. Engage with an interesting rap about photosynthesis, and understand the role of tropism in plant growth responses to light and gravity. Complete the worksheets to reinforce your understanding of this critical biological process!

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Photosynthesis

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  1. Photosynthesis 12/03/12

  2. ActivitySection A worksheets • A tree can be very heavy. Wood is tough and strong. What do you think the wood that makes up a tree is made of? Where does the “stuff” making the wood come from?

  3. Photosynthesis • The way in which green plants make their food Chemical energy Light energy Photosynthesis Carbon Dioxide + Water Glucose + Oxygen Sunlight Chlorophyll

  4. Factors needed for photosynthesis • Carbon dioxide • Plants get CO2 from the air • CO2 passes into the leaves through openings called the stomata • Water • Plants get water from the soil • Water passes into the roots up the xylem and is distributed to the leaves of the plant • Light • Plants get light from the sun • The light is absorbed by the leaves • Chlorophyll • Plants make chlorophyll • Its is a green dye and allows plants to absorb light

  5. Products of photosynthesis • Glucose • The food made by the plant is called glucose • It can be used to provide energy for respiration • It can be used to form starch in the plant • It can be used to form cellulose for ne cell walls • Oxygen • The gas resulting from photosynthesis is oxygen • It can be used for respiration to provide energy for the leaf • Or it can be released from the leaf out into the air

  6. Photosynthesis rap • An interesting rap explaining photosynthesis

  7. Tropism • Tropism is the change in growth of a plant in response to an outside stimulus • Phototropism • is the way that a plant changes its growth in response to light • Geotropism • is the way that a plant changes its growth in response to gravity

  8. Homework • Complete the remainder of the worksheet for homework

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