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Catalysts and Enzymes
Biochemists experiment with the oxothermic decomposition of hydrogen dioxide by adding manganese dioxide. They observe how pepsin enhances the action of acid on the digestion of egg white proteins. They use yeast to make bread rise. All...
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Investigating What Makes Fruit Go Brown
Is there anything that can be done to slow the browning of fruit once it has been cut? High schoolers determine the answer through five different investigations involving apples, potatoes, and chemical reactions. After each experiment,...
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Elastic Recoil in Arteries and Veins
A lab in which high schoolers examine the difference between arteries and veins. Budding biologists will find out which blood vessel can stretch furthest, recording their data in a table then answering several questions evaluating their...
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Elodea Lab
Young scholars observe the changes between elodea leaves placed in darkness and light. In this life science instructional activity, students experiment to find evidence of photosynthesis in elodea leaves. Young scholars use...
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Alternative Energy
Students discover the different alternative fuel sources. For this biology lesson, students identify the different stages of the carbon cycle. They explain the pros and cons of using alternative energy.
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Nature of Science and Ecology
Young scholars identify the different biotic and abiotic components of an ecosystem. In this ecology lesson, students perform a case study on current environmental problems. They write a position statement about their chosen topic and...
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The Environment and Interactions of Living Organisms
Students study the environment and interactions of living organisms. They identify abiotic and biotic factors and create a foldable and vocabulary cards. They create a poster illustrating soil and watch a video to study symbiosis.
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Wildlife Sampling-Capture-Recapture
Seventh graders simulate the capture-recapture method of population sampling using beans. In this biology lesson, 7th graders calculate the total population of beans in the bowl. They assess whether this method is reliable or not.
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Fungi
Learners examine the characteristics of fungi. In this biology instructional activity, students investigate the factors needed for fungi growth. They collect data and observations and write a report about them.
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Anatomy of the Heart
Tenth graders examine the different parts of the heart. In this biology activity, 10th graders perform dissection of the fetal pig. They explain how the heart maintains homeostasis.
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Biotechnology
Students explore biotechnology through various activities. For this biology lesson, students analyze its pros and cons. They study and read informative articles about biotechnology.
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To Smell or Not to Smell, That is the Ester
Students explain the basic concepts of polymerization. Students participate in a lab to create a crude preparation of carboxyl esterase and test its effectiveness in reducing the residual monomer in an emulsion such as paint.
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Polymerization Experiments
Students explain the process of polymerization. In this chemistry instructional activity, students produce carboxylesterase in the lab. They test its effectiveness in removing the by-product odor.
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Algae Experiments
Students describe the characteristics of algae. In this biology lesson plan, students perform a series of experiment to explore algae. They investigate the basic things algae need to survive.
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Studying Fossils: Hominoid Skull Comparison
Students collect data on the differences in Hominid skulls using acrylic casts of fossil skulls. They measure a series of structures on skulls from six different species then use the data to determine evolutionary relationships between...
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A Constructivist Version of the Snail & Elodea Lab
Learners explain the importance of having a control when setting up an experiment.
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Fiber - Adding it to the Diet - Skill Supplement
Food preparation that supports the concepts of adding fiber and water to the diet. Identify fiber, its sources and functions. National Standard 14.2.1 Identify the function of fiber Identify cellulose - non digestible fiber Discuss the...
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Biodiversity Study -- A Unit Study
Learners sample a site with low human impact, one with moderate human impact, and a third with high human impact. Students chart the data for each site and then compare the sites and discuss.
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Applied Science - Physics Pre-Lab
Students describe the science of physics. In this Physics lesson, students observe examples of physics within their classroom. Students create a definition for physics.
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The Cytochrome-C Lab
Students examine a method biologists use to try to determine relationships. They examine how amino acid sequences have been determined for a number of proteins, and how scientists can make inferences about DNA based on the amino acid...
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Recombinant DNA - Electrophoresis Demonstration and Problem
Suitable for an AP Biology class, the lab found here has teen bioengineers working with plasmids to clone DNA. If you have not done a similar lab, the instructions may be rather difficult to follow. Both the teacher and learner...
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Termite Lab
Students examine insect behavior in a lab activity. Students explore the idea of chemical specificity and the reactions of termites to a chemical found in their trail pheromone. Students watch a demonstration with termites before...
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Authentic Assessment/ Lab Practicum (Video format)
Students are given this authentic assessment format after the study of any laboratory activity (or group of labs). It's purpose is to replace the lab practicum when it is not possible to do a real set-up and /or to serve as a make-up...
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The Effects of Alcohol and other Teratogens: A model using Zebrafish
Students investigate the interference of various drugs on an embryo through experimentation. This is an open-ended lab to allow students to see effects of various chemicals humans choose to put in their bodies and create questions they...