Forest Ecology Project · 2020-02-18 · Forest Ecology Project Buds, Leaves, and Global Warming By...
Transcript of Forest Ecology Project · 2020-02-18 · Forest Ecology Project Buds, Leaves, and Global Warming By...
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Forest Ecology Project Buds, Leaves, and Global Warming
By Mary Bourdeau Stony Brook School 4/11/2012 [email protected]
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Massachusetts State Frameworks
Biology Strand – Energy & Living Things
16. Recognize that producers (plants that contain chlorophyll) use the energy from sunlight to make sugars from carbon dioxide and water through a process called photosynthesis. This food can be used immediately, stored for later use, or used by other organisms.
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Massachusetts State Frameworks
Physical Science Strand
Elements, Compounds, & Mixtures
5. Recognize that there are more than 100 elements that combine in a multitude of ways to produce compounds that make up all of the living and nonliving things that we encounter.
7. Give basic examples of elements and compounds.
8. Differentiate between comounds and mixtures.
10. Differentiate between physical changes and chemical changes.
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Physical & Chemical Properties
Outline of Activities
Physical Properties of Leaves Activity
Lab on Leaf Chromatography
ComicLife Cartoon on Photosynthesis and Respiration
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Physical Properties of Leaves
Information sheet to help identify tree
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Physical Properties of Leaves
Leaf Observation Activity to identify physical properties of leaves
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Physical Properties of Leaves
Worksheet for sketching branch
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Leaf Chromatography Step 1: Collect leaf from tree!
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Step 2: Deposit pigment on filter paper!
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Step 3: Place filter paper in alcohol.
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Step 4: Remove filter paper and let it dry.
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Step 5: Label and measure each pigment!
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Teacher Tips
Must transfer LOTS of pigment to filter paper
Alcohol level should not go above pigment line
Chromatography can take 30-45 minutes
Pigment front – measure distance pigment moved from starting line (NOT bottom of the filter paper)
Filter paper or white construction paper works best
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Alternative Method
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Leaf Chromatography Assessment
Draw and label pictures of their chromatography strip.
Measure the pigment fronts and calculated the Rf (retardation factor) value for each pigment.
Answer conclusion questions about the process of chromatography, the data collected in the lab, and supported/rejected their claim based on their evidence.
Measure and calculate the Rf value for a chromatography sample.
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Chemical Reactions in Leaves
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Photosynthesis & Respiration
Poem, video, and Brainpop clip introducing Photosynthesis and Respiration
PowerPoint and background readings on the topic
Kinesthetic activity modeling the compounds
Chart on similarities and differences between the two processes
Differentiated fact sheet showing chemical equation, reactants, products, and location of each process
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Photosynthesis & Respiration Cartoon
I am in desperate need of energy! Money is tight, so I am only looking to purchase one glucose molecule. Using the software ComicLife, your task is to make a cartoon explaining how organisms obtain energy. Be as creative as you want!
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Template to Make Cartoon
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Sample Cartoons
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Bibliography
Arbor Day Foundation. http://www.arborday.org/trees/wtit/.
Arbor Day Foundation. http://www.arborday.org/trees/whattree/.
Environmental Education for Kids. http://dnr.wi.gov/org/caer/ce/eek/veg/treekey/index.htm.
Flinn Scientific. Leaf Chromatography. 2003 leaf.chromatography.instructore-1.pdf.
Mossmann, JoAnne. Introductory Lessons for Harvard Forest Schoolyard Ecology Buds, Leaves, and Global Warming. Ashburnham-Westminister Regional School District
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Picture Websites
• Slide 4 – Tree through the season http://www.rupert.id.au/examples/tree.gif
Slide 5 – Fall color http://brucefong.files.wordpress.com/2010/10/autumn-trees.jpg
Slide 6 - What Tree is That? http://www.arborday.org/trees/graphics/wtit-logo.gif
Slide 6 – Alternative or Opposite Buds http://www-saps.plantsci.cam.ac.uk/trees/images/altopp.gif
Slide 6 – Simple or Compound Leaf http://littleaustinite.com/wp-content/uploads/2009/10/35-05-SimpleCompoundLeaf-L.gif
Slide 6 – Veins, Shapes, & Margins http://www.enchantedlearning.com/subjects/plants/gifs/leafmargins.GIF
Slide 6 – Leaf Identification Chart http://cdn-media.gardenguides.com
Slide 8 – Leaf Changing Color http://www.charliechestnut.org/Phase1/TACFgifs/LeafAnim.gif
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Slide 9 – Autumn Leaf Border http://parenting.leehansen.com/downloads/clipart/autumn/images/maple-leaf-border.gif
Slide 9 – Tree http://us.123rf.com
Slide 12 – Maple Leaf Branch http://media.photobucket.com/image/20091106_maple_leaves/letspaintnature/20091106_maple_leaves.jpg
Slide 14 – Colored Leaf Chromatography http://www.mwt.net/~bionorse/Chromatography%201.gif
Slide 15 –Quarter over leaf http://www.phschool.com/science/biology_place/labbench/lab4/images/quarter.gif
Slide 17 – Leaf Chromatography http://www.mwt.net/~bionorse/chromatography%202.gif
Slide 18 – Leaf Chromatography Results http://herbarium.desu.edu/pfk/page25/page26/page28/files/page28_5.jpg
Slide 21 – Pedestal http://4.bp.blogspot.com
Slide 21 – Leaf Chromatography Samples http://2.bp.blogspot.com/_7kK4_M1EDEY/TI4jIw_C9nI/AAAAAAAAJqw/Ixk1TA9ir6Q/s400/IMG_1748.JPG
Slide 23 – Photosynthesis http://dbscience2.wikispaces.com/file/view/photosynthesis.jpg/73300899/photosynthesis.jpg