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Household Mysterious Chemicals
In this household chemicals instructional activity, students fill in 10 blanks with answers about testing household materials. Students must also fill out a data table about what color each material turns when placed in cabbage juice....
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Investigating Acidity
Students classify liquids as an acid, base or neutral. They use purple cabbage juice as an indicator to test several liquids in order to group them as acids, bases or neutrals.
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pH
Learners use a Colorimetric test to measure pH and gain the importance to life in an aquatic ecosystem pH is. They explore the dramatic effect pH level can have on a water body. Students test the pH level of many water samples.
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Determining The pH Of Common Substances
Students use a pH indicator to measure the pH of some fruits, common beverages, and borax. Students discover how to differentiate between an object that is an acid or a base.
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Soil Buffering
Students observe the pH change of an acid mixture poured over soil in a filter. Since the buffering capability of soils differs, you may want to do this experiment with several different soil types.
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Genes: The Building Blocks of Life
Students examine various topics on genetics. Students explore the Internet to gather information on genetic testing, genetically engineered food, forensics, DNA and cloning. They research and determine the best way to fund each of the...
Michigan Sea Grant
Water Quality
Learners observe water samples and measure the samples' water quality. Students develop their own criteria for measuring water quality and test for temperature, acidity, oxygen levels, turbidity, conductance, sediment and hardness.
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Exploring the Physical and Chemical Properties of Polymers
Students identify the physical and chemical properties and explore the differences. In physical and chemical property lesson students test polymers for the differences between the physical and chemical properties, record their...
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Acid-Base Indicator Paper
Learners are able to prepare and use pH indicators in paper form. They find out the color of the indicator paper plus test solution may change with time. Students use red cabbage to use for the indicator.
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DNA Extraction From Onion
Students extract DNA from an onion using household equipment and supplies.
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Sediment Sleuths
Are you looking for a good, solid lesson on sedimentary rocks? This one, produced by the Illinois State Museum, is just such a lesson. Middle schoolers identify common rocks and minerals by analyzing sediments from local water sources....
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Job Hiring...Who's the best candidate?
Students, working in teams, assume they are the newly hired research director of a biotech firm interviewing the top two candidates for the position of research scientist. They evaluate the candidates and decide who should be hired based...
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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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Where in the World is Carbon Dixoide?
Students conduct experiments designed to detect the presence of CO2 by using a BTB that changes color (blue to yellow) in the presence of CO2. First, students experiment with the CO2 from combining vinegar and baking soda. In part two,...
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2D Animation of Cellular Processes
Students create an animation of a cell process and insert it into a presentation. They choose a cellular process such as mitosis, osmosis or DNA replication, and create a simple 2D animation.
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DNA Week
Young scholars perform different activities about DNA for a week in order to celebrate DNA Week and raise their awareness of DNA. The teacher is provided with a different theme for each day.
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Hatching Chickens
Students observe caring for eggs and chickens. For this hatching lesson students brainstorm what they know about chickens and carefully watch what happens.
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Separating a Starch-Glucose Mixture Using Gel Filtration
Students experiment using the basic principles of gel filtration. They use the gel filtration technique for testing for the presence of specific substances. Students discover that starch is a larger molecule than glucose.
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Investigation of Meiosis in Common Plants and Animals
Learners witness various stages of mitosis through preparing onion root tip slides. With teacher guidance, they learn a great deal through the hands-on process of preparing the slides themselves.
Kenan Fellows
Unit 3: Genetic Variation
What happens when genes change? Junior genetic investigators examine the effects of mutation in the third unit of a four-part Biotechnology series. Individuals discover the types of mutations through a series of PowerPoints, then partner...
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Who Took Jerell's iPod?
Learners investigate various substances to determine the perpetrator of a crime. In this biology lesson, students test for the presence of organic compounds in various samples. They identify an unknown substance based on its physical and...
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ABOUT ALL YOU CAN EAT: Superfoods
Students trace back through time to see how the nutritional value of food consumed was enhanced. In this nutrients lesson students complete several activities that show the mass of food, and its PH value.
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DNA Isolation from Onion
Students apply measurement skills using the metric system. They explain the process of isolating DNA from other cell contents. They apply knowledge of cell structure to explain the process of isolating DNA.
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The Case Of The Sour Employee
Ninth graders are presented with a problem that has to be solved. The scenario is a mystery that is purely hypothetical. This does draw on the knowledge of previous lessons. The lesson plan contains background knowledge explaining the...