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Reaction Rates Kit
The principles of reation rates and the effects of concentration, temperature and enzymes are presented in one complete kit! Enough materials are provided for detailed study by 30 students working in pairs. Discussion is focused on common industrial, household and biological reactions which involve control of reaction rates. Comprehensive Teacher's Guide, reproducible student worksheets and MSDS are also included. Grades 7-12.
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Analysis of Simple Mixtures Kit
Demonstrate the difference between mixtures and compounds with this unique kit. Learners are provided with three unknown compounds, then the develop systematic and scientific solutions to separate the unknowns using five standard methods of seperation: flotation, magnetic separation, solution and recrystalization, melting and desolidification and sifting. Kit Contains: enough material for 30 students to work individually. Includes comprehensive Teacher's Guide and reproducible student worksheets. Includes MSDS. Grades 7-12.
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Enzymatic Hydrolysis Kit
Learners can observe the biochemical reactions in cells through investigatins of the reactin rates of enzymes when temperature, pH and enzyme concentrations are varied. Enough materials are included for 30 students to perform these experiments, working in pairs. Includes: reproducible student worksheets and complete instructins. Includes MSDS. Grades 7-12.
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Chemistry of Esters Kit
By combining different organic compounds, learners are able to synthetically create pleasant smelling aromas. The experiments specifically focus on the formation of five esters. Molecular models are also included so students can construct the formulas in 3-D. Kit contains: enough materials for 50 students, Teacher's Guide and reproducible student worksheets, and MSDS. Grades 7-12.
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Chemistry of Nutrients Model Kit
Construct models of all three nutrient groups: carbohydrates, fats and proteins. Viewing this chemistry in 3-D will help learners build an understanding of the chemistry of hydrolysis and dehydration synthesis. Model kit contains: 12 individual sets each of 14 Carbon atoms, 13 Oxygen atoms, 32 Hydrogen atoms, 4 Nitrogen atoms and 58 Covalent bonds. Also includes a Teacher's Guide and reproducible student worksheets. Grades 7-12.
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Thin-Layer Chromatography Kit: Plant Pigments
Complete kit enables students to run 2 chromatograms and accomplish a dramatic TLC demonstration in a single class period. Includes: 1 vial each of chlorophyll pigment and carotenoid pigment, plus 60 plastic silica-gel coated chromatographic strips, 24 glass developing chambers with lids, 100 glass capillary tubes and developing solvent. Reproducible student worksheets, instructions and MSDS are included.
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Thin-Layer Chromatography Kit: Amino Acids
Students can complete thin-layer analysis of amino acids during a single lab period. Kit Includes: enough materials for 48 analysis: 2 vials of amino acids, 60 plastic cellulose-coated strips, 24 glass developing chambers with lids, 4 dispenser bottles and 100 glass capillary tubes. Complete instructions, reproducible student worksheets and MSDS. Grades 7-12.
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Enzyme Experiment Kit, 30 Students
Relate the activities of enzymes to common, everyday activities with this complete kit. Seven experiments are performed using 4 enzymes, starch digestion, cheese making, protein digestion and fruit juice extraction. Kit includes: rennilase, amylse, protease and pectinase, with enough material for 30 students to perform all of the suggested experiments. Instructions and MSDS included. Grades 7-12.
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Organic Chemistry Kit
You can choose a kit for teaching Organic Chemistry, another for Inorganic Chemistry or one that covers both areas. With them you can "construct" a calcium atom; demonstrate polar bonding; create an alcohol, an amide, a fatty acid; illustration digestion; synthesize fats; build an enzyme; ATP (14 revealing classroom lessons) Comes complete with 30" X 40" demonstration board, mounting legs, teacher's guide with detailed lesson plans plus reproducible student worksheets.
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Combined Chemistry Kit
You can choose a kit for teaching Organic Chemistry, another for Inorganic Chemistry or one that covers both areas. With them you can "construct" a calcium atom; demonstrate polar bonding; create an alcohol, an amide, a fatty acid; illustration digestion; synthesize fats; build an enzyme; ATP (14 revealing classroom lessons) Comes complete with 30" X 40" demonstration board, mounting legs, teacher's guide with detailed lesson plans plus reproducible student worksheets.
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