Students examine the cycle of nutrients in a forest. They research the concepts of decomposing and recycling within a forest.
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Chromatography of Plant Pigments
Through a hands-on activity, an acetone-spinach solution is pre-made and learners use this solution to separate the pigments found in spinach using chromatography. The comprehensive resource includes an analysis and conclusion questions.
9th - 12th Science CCSS: Adaptable
New Review Why Do Leaves Change Color?
Discover the scientific explanation of fall leaves! The lesson narrator describes the role of chlorophyll, glucose, and weather in the process of the color-changing process. He adds an overview of carotenoids and flavonoids to explain...
2 mins 9th - Higher Ed Science CCSS: Adaptable
The Real Reason Leaves Change Color in the Fall
Discover the chemistry behind the color change in leaves. The lesson narrator describes how trees must recycle nutrients in the leaves before they fall off for the winter. The video breaks down the process and highlights the chemistry of...
3 mins 6th - 12th Science CCSS: Adaptable