Curated OER
What Sticks Can Make You Sick
Students study adhesins and their receptors. In this science inquiry lesson students experiment to find adherence and use agglutination to identify adhesins.
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Mini-Molar Concentration of HCI
Students work together to create mini-molar concentrations of HCI. They record and analyze their data for specific results. They answer discussion questions to complete the lesson.
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Pollen Tube Growth
Students demonstrate the proper usage of the compound and dissecting microscopes. They identify the parts of a flower and the functions of the flower parts. Students describe the process of gamete formation and fertilization in a flower.
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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
Students 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
Young scholars 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
Students 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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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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Earth Science/ Scientific Methods
Students 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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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
Young scholars examine the definitions of biomas gasification and generate their own biomass gas. In this renewable energy instructional activity students collect gases and roast a marshmallow.
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Genetic Engineering
Students examine the advantages and disadvantages of genetic engineering. In this genetics 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
Students 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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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
Students 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
Young scholars 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
Students create a video of an object falling with a drag. In this physics lesson, students calculate drag coefficient using data from Logger Pro. They calculate velocity and acceleration of the object.