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Down the Drain
High schoolers explore what problems might occur if oxygen decreases in a body of water. They model what happens in a situation where decomposition is occurring. Students obtain, organize, graph, and interpret information. They i...
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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...
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CTBS Vocabulary Practice #4
In this vocabulary worksheet, students find the synonym and antonyms of sixteen words, complete four sentences with the correct word, and find the correct word for two separate sentences. Questions are multiple choice.
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Larger Than Life Figures
Students prepare for and respond to literature selections. This package includes six lessons about larger than life figures from the American Literature series, each covering a different reading selection. Pre-reading and response...
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Matter Unit
Students create products from studying about matter that include: Make a "T" chart with matter and non matter items. Write a poem, song, or rap about matter. Five vocabulary words from the chapter must be included in the poem.
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Down the Drain
Young scholars examine the following concepts: If water supplies contain materials which rot or decompose, oxygen is used. Decay and decomposition require vast supplies of oxygen. The use of oxygen for decay of wastes may be a life or...
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Operating the spectrophotometer
Working in small groups, students explore the operation of spectrophotometer. Using the spectrophotometer, they investigate Beer's Law with everyday items.
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Feeding Paramecia
Students prepare a slide of Paramecium cultures and observe (through a microscope) the organism's thin transparent membrane and what happens as they "feed" them stained yeast cells. They sketch the path the ingested yeast takes as it...
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Science Words
In this general science activity, students find 32 science words reviewing states of matter and types of substances. Students may self correct by selecting the link at the bottom of the page.
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Our Food and Microorganisms
Students answer questions about how microorganisms can affect our food supply and how they can be controlled. The first set of inquiry activities are directed by the teacher. Subsequent activities are based on students generating their...
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Mysterious Music
Eighth graders investigate how to compose music for a detective program. The goal is for them to discover the method needed. The idea was simple, they were told to compose the music with emotional tension that climaxed and then relaxed...