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Glass Transition in a Rubber Ball
Students illustrate the changes in the properties of a material at its glass transition point. They gather data which they use to construct graphs regarding elastic modules versus absorption modulus, tangent delta, and the effect of...
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Chromatographic Separation of Methylene Blue and Sodium Fluorescein
Students determine the best solvent system for separating a methylene blue/sodium fluorescein mixture by thin layer chromatography. They conduct an initial TLC separation using ethanol and a different solvent mixture and analyze the data...
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Investigating the Effect Of Successive Heat and Cool Cycles on a Thermoplastic material.
Students investigate hot melt glue using a hot melt glue gun as an an injection molding simulator and a melt index viscometer. They evaluate the effect of heating and cooling by weighing the glue extruded over a constant time period.
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Characterization of the Bioluminescence (Lux+) Gene E. coli
Students grow E. coli strain HB101, which contains the plasmid pUCD607 with the bioluminescence (Lux+) gene. The plasmid containing the Lux+ gene is isolated from the E. coli, then characterized by restriction analysis.
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How to Clean Up an Oil Slick
Learners explore how an oil spill is contained and cleaned up. They investigate an oil absorbing polymer that is hydrophobic, absorbs up to 19 times its own weight in nonpolar liquids, floats on water, and can be reused or disposed of by...
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Degradation and Weathering of Polymeric Materials
Students investigate issues of degradation and weathering of polymeric materials during their useful life. They evaluate photodegradable plastics and their viability as an environmental solution for litter and investigate the qualitative...
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The Risks of Everyday Living
Students compare their perceptions of risk to the perceptions of scientists and risk professionals. in small groups, they evaluate risks on a scale of 1 to 10 for the average American on a yearly basis.
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Close Encounters
Students investigate the cause of death of a fictitious school janitor. They develop hypotheses based on information discovered by examining the labels of household chemicals.
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Space Science: Phases of the Moon
Looking for a terrific lesson on the phases of the moon that has lots of good worksheets? With two excellent websites are embedded in the plan, the activity is sure to spark some interest in your astronomy unit. Some common...
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A Weighty Issue
Want to get your students motivated in science class? Given only a piece of aluminum foil, assign groups the task of designing a "barge" that will support the weight of a bunch of pennies. The group who is able to put the most...
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Haber's Process- A Computer Simulation
Learners use an on line simulation to produce ammonia using Haber's process. In this Haber's process lesson plan, students use a spreadsheet to manipulate the pressure, temperature and catalysts used in the production of ammonia. Their...
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Autosomal Pedigrees Worksheet
Three autosomal pedigrees are printed on this assignment. Biology scholars read them and determine the phenotypes for several individuals and find which ones inherit different genetic disorders. This fundamental skill can be reinforced...
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Genetic Variation Worksheet
Fill- in-the-blank, labeling, and short answer questions make up this well-written cell division worksheet. Neat diagrams of chromosomes and dividing cells are included. Junior biologists show what they know about reproduction, meiosis,...
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Ghostbusting in the Chesapeake
Ghost pots, fishing gear lost during crabbing expeditions, continue to trap crabs that are never collected. Increase your budding ecologists' awareness of human impact on the environment as well as conservation efforts using this...
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Design a Green Rooftop Garden
Design and construct buildings with rooftop gardens. Junior engineers work in groups to build two buildings and then perform experiments to determine whether or not a garden affects the building temperatures. They graph and interpret...
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Exploration of 'pill bugs'
Fifth graders define words. They create a dichotomous key. After carefully examining pill bugs, 5th graders record observations. They compare and contrast habitats of pillbugs.
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Class Activity: Satellite Tracker
Demonstrate how the Skywatch website works, locating your city via The International Space Station. Have cooperative groups use string and a protractor to identify an azimuth. When each groups' height has been marked, you will have a...
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Lesson: Guilt-Free Chocolate
Experiment with chocolate coating on cookies! What a delightful way to learn about food processing and chemical engineering. Throughout this activity, groups collect measurements and make calculations. They conclude by writing...
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Tutti Frutti
Get some competition going in your life science class. Give lab groups a variety of plant parts, all of them fruits, except one. Their mission is to make observations, compare and contrast, in order to be the first to identify the...
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National Marine Sanctuaries Fish
Information is provided on Gray's Reef, Florida Keys, and Flower Garden Banks marine sanctuaries. Young marine biologists then visit the FishBase and REEF databases to collect fish species information for each location. They then...
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Chemistry Study Room
In this chemistry worksheet, students are offered a variety of assistance to help them be successful in organic chemistry. They will have access to the library, missed class notes and computer interactive programs to help them with...
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Atomic Properties of The Elements
In this chemistry worksheet, learners examine the periodic table and how it is used in the context of interpreting compounds and their structure.
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Periodic Table of Elements
In this science worksheet, students examine the graph with elements in order to differentiate atomic mass and categorizing the content.
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Periodic Table of Elements
In this chemistry worksheet, young scholars use the periodic table of elements in order to identify the common elements. The detail is very detailed.