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DO YOU SEE THE LIGHT??? - PowerPoint PPT Presentation


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DO YOU SEE THE LIGHT???. Based on the visible light spectrum below, which part of the spectrum has the longest wavelength:. Red light Yellow light Violet light. Based on the visible light spectrum below, which color of the spectrum has the most energy:. Red light Yellow light Violet light.

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DO YOU SEE THE LIGHT???


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    1. DO YOU SEE THE LIGHT???

    2. Based on the visible light spectrum below, which part of the spectrum has the longest wavelength: • Red light • Yellow light • Violet light

    3. Based on the visible light spectrum below, which color of the spectrum has the most energy: • Red light • Yellow light • Violet light

    4. If you were diving on a reef, as you begin to descend into the depths of the ocean, which part of the visible light spectrum will be “lost” first • Reds • Orange • Blue • Green • Violet

    5. WHY RED????

    6. BACK TO THE NOTES

    7. Based on the graph below, what color is this object: • Red • Orange • Yellow • Blue • Violet

    8. Based on the graph below, what color is this object: • Red and green • Orange and yellow • Yellow and blue • Blue and violet

    9. If this demonstrates the absorption spectrum for your new shirt, how would you describe your new shirt ?? ONE UGLY SHIRT!!

    10. LET’S SEE HOW THE LAB WORKED

    11. Why did some molecules move up the paper really far while others remained close to the bottom of the paper?? CHLOROPHYLL B= Large molecule with two polar side groups. Will move the slowest. This is army green in color. CHLOROPHYLL A= Also a large polar molecule with one polar side group. This will move the second slowest. This is a blue/green color. XANTHOPHYLL= It’s yellow BETA CAROTENE= Small molecule with no polar side groups. This is able to move up the paper the fastest. It’s orange.

    12. Carotene Xanthophyll Chlorophyll A Chlorophyll B DID YOUR RESULTS LOOK LIKE THIS???

    13. These represent the pigments that are found in the spinach leaves. What function do these pigments serve in plants??? Why does spinach have more than just one pigment? Would a plant lacking pigment (white) be able to survive? WHY?

    14. Below is the absorption spectrum for the spinach. Discuss with your partner the most useful/absorbed part of the visible light spectrum and the least useful/absorbed part of the spectrum.

    15. Based on the graph, what color is this plant: • Green • Red • Violet

    16. Based on the graph, what colors are best absorbed by this plant: • Green and orange • Red and violets • Violet and green 4. Green and reds

    17. Plants need to be able to absorb light for the process of photosynthesis. The pigments in the plant are like buckets used to capture/collect this solar energy.

    18. Rate of Photosynthesis Look at the two graphs below. One shows the absorption spectrum for the spinach leaves. The other shows the rate of photosynthesis. Do you see a relationship between the two graphs??

    19. Let’s combine both graphs! Where is the rate of photosynthesis the highest???

    20. Based on the graph below, which color light is best absorbed by plants for photosynthesis • Red • Yellow • Green • Orange • Violet

    21. Based on the graph below, which color light is least absorbed by plants for photosynthesis • Red • Yellow • Green • Orange • Violet

    22. NOW DO YOU SEE THE LIGHT???