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The Absorption of Solar Energy
Two sequential parts to this lesson introduce your class to the electromagnetic spectrum, the ability to absorb radiant energy, and the pigments in leaves that are responsible for collecting sunlight to be used in the photosynthetic...
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Recognition and Classification of Mixtures
Immerse your chemistry class in solutions! They melt and compare the mixtures that make up margarine, separate black ink into its component colors, distill ocean saltwater, and practice chromatography with plant pigments. There are eight...
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Separation Techniques
Wow! Expose your chemistry class to every method of separating mixtures by showing this slide show. Learners will view diagrams and graphic organizers that support notes about filtration, chromatography, distillation, centrifugation, and...
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2009 U. S. National Chemistry Olympiad - Local Section Exam
Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...
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#13 Chromatography is a Gas: An Inquiry-Based Introduction to Gas Chromatography
Advanced chemistry scholars read about gas chromatography as a means of separating mixtures into their components. Then they try the technique on fingernail polish remover. Detailed instructions are provided via a lab sheet for your...
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Color Burst
Fourth graders explore how colors react in water (chromatography) and other solvents. They observe, investigate, measure, record data and communicate their results in the form of graphs/charts and narration presented to the class....
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Separating Mixtures Worksheet #2
In this separating mixtures worksheet, students answer 6 questions about they ways to separate mixtures including using chromatography, using skimming, and pouring off a liquid. Students are given different fractions and their properties...
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Using Plant Pigments to Link a Suspect to a Crime
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...
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Solving Mysteries Using Paper Chromotagraphy
Students solve the mystery of the kidnapped teacher by analyzing a ransom note using paper chromatography. They carefully prepare ink samples from the note to known ink samples to determine the kidnapper.
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Lipstick Chromatography/Ink Chromatography
Junior crime scene investigators are instructed in two different chromatography exercises. For female suspects, they separate and compare lipstick pigments. For male suspects, they separate and compare ink samples. A data sheet is...
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Who Done It?
Pick and choose which activities to include in this crime scene investigation. Junior detectives can examine fingerprints, DNA, blood samples, or bone structure. The plan suggests you have teams solve a mystery, but it does not give you...
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When Trees Are Red, Color in Remote Sensing
Student learn about "chromatography" in a hands-on experiment. Students make a chart showing what the colors represent.
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Coloring Fabrics With Dyes from Plant Materials K-12 Experiments & Background Information
Students investigate the effects of acid and bases on dyes made with plant materials. In this chromatography lesson students predict color outcomes and complete a lab activity on color combinations.
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Paper Chromatography K-12 Experiment
Students study chromatography and how they can distinguish between the different pigments in a color. In this chromatography instructional activity students separate a mixture of dyes in soluble ink then record the colors they see.
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Pigment Puzzles
A hands-on chromatography lesson brings science to the magic of changing autumn leaves. After collecting plant samples, young scientists use paper strips, two liquids, and coffee filters to separate the pigments, then match their print...
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Paper Chromatography
Middle schoolers investigate the pigments in Magic Markers using chromatography. In this paper chromatography lesson plan, students use absorbent paper and mark the strip with a Magic Marker. They place the strip in a solvent and observe...
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Chromatography
Learners use chromatography to separate substances in Kool-Aid, Crayola markers and leaves. In this chromatography lesson plan, students make chromatograms to separate substances in a mixture through absorption. Learners find the Rf...
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Paper Chromatography-Chemical and Mechanical
Students perform paper chromatography to determine pigments in plants. In this paper chromatography lesson plan, students isolate leaf pigments, prepare a chromatogram and place their chromatogram in a solvent to separate the pigments....
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Standard One: Lab Design and Appendix A Lab Skills
In this lab design and lab skills worksheet, students answer questions about experimental design including finding variables, determining controls, and graphing data. They answer questions about microscopy and label the parts of a...
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Relationships and Biodiversity Lab
In this relationships and biodiversity learning exercise, students investigate the relationships between 4 plants sample using 7 different tests. These include looking at structural characteristics of the plants, seeds and stems, using...
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Major Organic Acids in Fruits
Young scholars investigate the organic acids present in a variety of juices. In this organic acids lesson plan, students read about the effects of organic acids in juices. They use paper chromatography to separate out the acids present...
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Chromatography of Foods
High schoolers complete a counter top chemistry experiment on the chromatography of foods. The experiment is based upon the relative attraction of the components of the mixture for the mobile phase (water) and the stationery phase (paper).
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Using Thin Layer Chromatography To Identify amino Acids In Solution
Students will work in groups to design and conduct an experiment to identify amino acids found in an unknown solution. This lesson is taught in three sections: (1) Introduction to chromatography (2) Experimental design session (3)...
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T-Shirt Chromatography
Students study about chromatography, a process used to separate mixtures. They see that chromatography is used to detect, separate or purify different substances. This nice lesson results in a beautiful t-shirt for each student!