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Teaching Biotechnology By Analogies And Models
Students explore biotechnology by analogies and models. They read several provided scenarios and answer questions to discover some basic concepts of biotechnology.
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Graphing Linear Functions
Pupils practice solving systems of linear equations using the substitution and elimination methods. They determine if the system has one, infinite or no solution. Students also graph the linear equations.
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Water Retention and Soil Variation in Local Ecosystems
Students identify the differences in local soil types and the relationship between soil size and water retention. They are introduced to microenvironmental conditions in ecosystem sustainability.
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Science Lab Safety Procedures
Eighth graders watch a Lab Safety video and discuss particular questions related to lab safety. Lab equipment is then distributed and the students inspect the equipment and record their finding in their journal. Finally, in groups, 8th...
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T-shirt Chromatography
Learners explore chromatography, a process used to separate mixtures. They create a colorful T-shirt design.
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Acidity of Soda Pop
Students conduct an experiment to determine the acidity of three different brands of soda by adding a known volume of base until a pink color appears in the reaction vessel. They test fresh and flat soda, observe any differences, and...
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Solution Concentration
Students determine differences in concentrations. They have to state the problem they feel exists, consider possible solutions, and develop a plan to come up with for containers whose labels have fallen off. Students base this off the...
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Determination of Phylogenetic Relationships Using Restriction Analysis
Young scholars applied various mathematical analyses to interpret their data. By using the resulting DNA fragment patterns from several enzymes students established a possible evolutionary relationship among the mice.
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Monitoring Oxygen Level
Young scholars measure oxygen percentages in room air and air exhaled after they perform various activities. They explore various websites, and record and analyze the data from the experiments.
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Earth Science/ Scientific Methods
Learners identify questions and problems in the earth and environmental sciences that can be answered through scientific investigations. They design and conduct scientific investigations to answer questions related to earth and...
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Genetic Engineering
Students examine the advantages and disadvantages of genetic engineering. In this genetics instructional activity students simulate the genetic engineering of a human insulin gene.
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Corrosion & Rust
Students examine how and when rust and corrosion occur. In this corrosion lesson students complete an experiment to see why metals rust.
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Impact Craters
Young scholars investigate the factors affecting the size of a crater. In this space science instructional activity, students collect data from the activity and graph them. They explain how velocity of impact relate to crater size.
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Rate of Cooling Experiment
Ninth graders measure the insulation properties of different fabrics by immersing cans of water covered with fabric "socks" in an ice bath and measuring temperature changes. They then calculate heat loss and graph the data individually.
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Simulating the Effects of Biodegradable Wastes on Dissolved Oxygen
Students evaluate the relationship between biodegradable waste and dissolved oxygen in water. In this biodegradable wastes lesson students complete a lab activity in groups then analyze their results.
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Investigating and Using Biomass Gases
Students examine the definitions of biomas gasification and generate their own biomass gas. In this renewable energy lesson plan students collect gases and roast a marshmallow.
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Culturing Plants from Embryonic Plant Tissue
Student groups use lima beans to represent dicots and corn to represent monocots, soak the seeds, and separate the embryos from the cotyledons. They then place the seeds in Petri dishes in agar and observe for at least one week recording...
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SEPARATION OF A STARCH-GLUCOSE MIXTURE USING GEL FILTRATION
High schoolers make a starch-glucose solution and pour it through gel in order to separate the starch from the glucose. They examine how starch is a larger molecule than glucose and test for the presence of these substances using other...
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Thin-layer chromatography
Students produce chromatograms of various vegetable extracts and standards. Using a flat bed scanner, they create a database of the results.
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Numerical Determination of Drag Coefficients
Learners create a video of an object falling with a drag. In this physics instructional activity, students calculate drag coefficient using data from Logger Pro. They calculate velocity and acceleration of the object.
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Dinosaur I Finding And Dating
Students investigate how long dinosaurs lived on Earth and how that compare to how long man has been on Earth. They discover how scientists excavate fossils.
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Transformation of E. coli with Antibiotic Resistance
Students participate in an experiment in which they transform an E. coli cell. They discover how the genetic make-up of the cell can be changed by added foreign DNA. They answer questions to complete the lab.
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Acids and Bases - Vinegar II
Eighth graders experiment what happens when acids and bases are mixed together. In this acids and bases experimental instructional activity, 8th graders decide which of three solutions of unknown pH will neutralize a fourth solution of...