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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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Capacitors: What Are They?
Students discover how capacitors help store data. In this computer science instructional activity, students investigate how capacitors can store an electronic charge, eventually helping computers store data. Students create...
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Time That Period
Physical science starters play with a pendulum in order to experience periodicity. Detailed procedures and a worksheet are included for day one. For day two, learners will use a graphing calculator to help them plot orbit data from a...
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The Wonders of Water - Biology Teaching Thesis
Students name 3-5 aesthetic values of the Potomac River. They state the importance of water in their own words. Students describe what Earth Day is and why it is important. They list 5-7 ways that they can help minimize water pollution.
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Seed Transport
Students explore botany by completing KWL worksheets. In this seed transportation lesson, students define a list of vocabulary terms associated with botany and seedlings before completing worksheets based on assigned text. Students...
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USING YEAST AS AN ULTRAVIOLET LIGHT MEASUREMENT TOOL
Students realize the importance of organisms as standards of measurement and experimentation.The first lab is a simple survival curve that demonstrates the effects of UV light on cells. The second lab looks at repair mechanisms of the...
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Macro-DNA: Doing DNA Fingerprinting and Gel Electrophoresis
Learners create numbered DNA sequences by taping together the order of the sequence. They count the number of bases in their RFLP's and shade the boxes on their Gel Electrophoresis sheets that represent individual fragments. They...
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How Do We Generate a Large Amount of a Specific DNA Sample?
Students investigate the Polymerase Chain Reaction technique that is used to create larger amounts of a gene. They watch and discuss a PowerPoint presentation, explore a website, and write a report listing the materials needed to...
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Experiments with Photovoltaic Cells
Pupils explain how sunlight is converted to electricity. In this series of physics lesson, students study how varying the characteristics of the light source affect photovoltaic cells. They research their different uses in other countries.
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Does the increased use of fertilizers effect biodiversity?
Students conduct a hands-on lab activity in which they analyze a sample of water from a local stream or pond. They introduce a fertilizer solution into the sample and analyze and describe their findings.
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Shells and Subshells
Students explore how to show evidence of subshells and electron filling on the visual scale. They examine subshell filling and evaluate unknowns based on the atomic emission spectrum. Students design an experiment to identify colors of...
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Gene Regulation Mechanisms
Students explore genetics. They discuss how chromosomes and/or genes are regulated during the life of an organism. In a lab setting, students compare and contrast the genomic regulation of prokaryotic and eukaryotic cells using...
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Invisible Rays
Students explore physical science by completing a lab assignment. In this sunlight instructional activity, students define a list of scientific vocabulary terms and complete fill in the blank questions. Students conduct a photographic...
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South Pole Base Gamma
Students design a South Pole base. For this science lesson, students discuss characteristics of the South Pole and work in a group to design a base that will be named "Gamma." Students sketch their design.
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Testing Water Quality
In this science learning exercise, students test the quality of water taken from a local source and test it in a lab for the ingredients present.
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Which Household Cleaners or Soaps Work Best Against Bacteria?
Students experiment to determine the efficacy of various household cleaning products and soaps as antibacterial agents. They work in groups to complete this four part lesson series which includes identifying household bacteria,...
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Sort Laboratory Practice
Eighth graders sort animals according to certain physical characteristics. For this science lesson, 8th graders explain the reason for such classification. They complete a worksheet individually at the end of the lesson.
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Household Chemicals & the Environment
High schoolers conduct a laboratory experiment designed to investigate the effects of chemicals, soil quality and pollution on seed growth and plant yield. They consider how best to maximize agriculture in the long term.
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GMOs: Should We Grow Them?
Students examine the ethics of biotechnology and genetically modifying various organisms. They complete various activities and labs on GMOs and then write a position paper regarding their individual opinions on the subject.
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Butterfly Life Cycles
Students study the butterfly life cycle. For this interdisciplinary life cycles lesson, students study the life cycle of a butterfly, their migration habits, and the culture of the region in Mexico where butterflies migrate to in the...
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The Life Cycle of a Frog
Students read a book about a frog and the stages of its life. They read the description cards given and work in groups to study all of the wells of the frog life cycle. Finally, students identify and interpret various slides and...
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Sun's Path
Students explore the movement of the sun across the sky. In this science lesson, students use clear plastic hemispheres and markers to record how the sun moves across the sky. Students write directions so the activity could be repeated.
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PHENOTYPIC AND GENOTYPIC CHANGES IN BACTERIA
Students use a rapid method to render the bacterium Escherichia coli "competent" in order to uptake plasmid DNA. They also have growth on the plain LB plates by the untransformed cells (which serve as controls). Students perform a cell...
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Phenotypic and Genotypic Changes in Bacteria
Students investigate a rapid method to render the bacterium Escherichia coli "competent" to uptake plasmid DNA. They demonstrate the phenotypic changes associated with transformation. They perform a cell resuspension from the...