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- Rating:
- 3+
- Grade Range
- 9th - 12th
- Rating
Students show how light can be separated into a variety of colors if passed through a prism. They show how certain wavelengths are reflected by plant pigments and others are absorbed. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students examine and discuss photosynthesis, and how the change of season affects the color of leaves. They perform an experiment that analyzes leaf pigmentation through chromatography, and write an essay describing the results. Full Review »
- Grade Range
- 1st - 5th
- Rating
Students investigate why plants need sunlight and what happens if they do not get the light they need. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students discover the roles of pigments present in leaves. They extract and isolate pigments present in autumn leaves using a thin layer chromatography. Very nice lesson and lab! Full Review »
- Grade Range
- 11th - 12th
- Rating
Students participate in a three-part lab in which they investigate plant pigments. Part I is designed to teach basic laboratory techniques of column chromatography, in Part II students design an experiment to separate the components of a pre-prepared leaf extract, and Part III is an extension of the experiment in which students detect and identify components separated in Part II. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students use chromatography to separate plant pigments collected from a fictitious crime scene and suspects. They compare the Rf values of the plant pigments to determine whether the plant pigments found on any of the suspects match the plant pigments found at the crime scene. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students examine chlorophylls. They explore the absorbing pigments in a variety of plants. Through activities, students determine spectrophotometrically. They compare plant proteins from the family Brassicace to assess the level of similarity within the cultivated plants. Full Review »
- Grade Range
- 6th - 12th
- Rating
Students explore the process of photosynthesis by identifying chloroplasts and chlorophyll pigments. In a demonstration, they observe a demonstration connecting pigments with sunlight conversion into energy. Using paper chromatography, students discover the variety of pigments found in plants. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students assess and experiment with the role of plant pigments in photosynthesis. They relate the basic principles of photosynthesis utilizing paper chromatography to evaluate a hypothesis regarding plant pigments as well as the role of chlorophyll in photosynthesis. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students investigate the components of chlorophyll. They use paper chromatography to separate the many pigments of chlorophyll from one another. Full Review »
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