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Mining Simulation
Eighth graders put their knowledge of rocks and minerals into perspective by seeing how minerals can be mined and the difficulties and costs of mining. They explore the environmental impacts of mining.
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Student Investigation on the Immune System and Hemeagglutination
Students perform an experiment to demonstrate the principles of antibody-antigen binding, the secondary immune response, cross reactivity, and complement fixation. The materials to be used include antibodies from a rabbit that was...
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Selection and Variation in the Egyptian Origami Bird
Learners investigate genetics and evolution of species. They simulate the breeding of birds using origami birds. In addition, using dice they introduce genetic variation into the species.
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Designing an Underwater Habitat for Humans
Learners consider the limitations of deep water oceanography and design an underwater habitat to support scientists while they complete long term studies under the ocean. In this engineering lesson, students are introduced to the...
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Camouflage and Protective Coloration: A Model of Natural Selection
Young scholars study protective coloration and camouflage in animals. They create examples of each and conduct simulation-type experiments to determine which is the most effective adaptation.
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Biodegradability
Students study the effects of water, salt water and heat on common household materials. They separate an emulsion and show that the materials are completely recoverable and observe the effect of acetone and water on polystyrene.
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Water Density and Salinity
Learners observe how different water densities control the depth at which different water masses occur. They explain one fact that they comprehend about salt water. Students comprehend that temperature and salinity affect the density...
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Salt Water vs. Fresh Water
Students explore why the oceans do not freeze. They explain why they think the Atlantic Ocean does not freeze. Students are given background information about what they are doing. They create a hypothesis about what they believe...
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How Trashy Are You?
Students determine the amount of trash a teenager produces. In this environmental instructional activity, students use a garbage bag to collect trash during a twenty-four hour period. Students weigh their bags at the end of the...
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Photographical Ecology
Students study organisms and the roles they play in nature. For this ecology lesson, students photograph several examples of organisms during a nature walk. Students print out their photos and classify the organisms as plants or animals.
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Candy Chemosynthesis
Students explain chemosynthesis and photosynthesis using candy. In this chemosynthesis lesson, students work cooperatively to create a visual explanation of the chemical equations of photosynthesis and chemosynthesis.
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Teaching about the Effect of Photosynthesis and
Students demonstrate the effects of photosynthesis and respiration. They decide which variables to analyze in a microcosm study. They produce a written paper, oral presentation, poster, or multi-media presentation
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Reel Projects
Students investigate projectile motion. In this projectile motion lesson, students investigate a website with an interactive lesson. Students view the changes in the projectile they see in the lesson. Students watch short video clips and...
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BJT Amplifier Troubleshooting
In this electrical circuit activity, students answer a series of 11 open-ended questions about BJT amplifiers and how to troubleshoot these circuits. This activity is printable and the answers are revealed online.
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Dripping Wet or Dry as a Bone?
Students use a sponge and water model to explore the concept of relative humidity and create a percent scale. They define humidity and saturation, build a simple humidity/saturation model, collect, predict and interpret data, and create...
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Acids and Bases: Together again!
High schoolers identify principles behind acid-base reactions. They predict factors that may affect an acid-base reaction. Students identify questions and concepts that guide scientific investigations.
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Return Of The Living Dead
Learners research endangered animal species that have 'beaten the odds' as they continue to survive longer than scientists had expected. They write individual pages for a class book about endangered species.
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Insects Are Helpful!
Learners see that insects do lots good and are very valuable to humans and nature. This is part of an ongoing effort to dispel fears of insects. They rotate through a series of centers that have examples of how insects contribute to our...
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Biodiversity Study -- A Unit Study
Students 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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An Introduction to Sensors
Students research the International System (SI) of units of measurements. They make measurements using the metric system. They study key concepts used in building and use of sensors, how sensors work and their role in measuring...
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Introduction to Friction
Students study the properties of the frictional force between two surfaces in contact. They inspect various phenomena in nature where friction plays an important role and demonstrate
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Hypothermia: Temperature Changes Under Varying Conditions
Students conduct an experiment to determine what type of clothing would be most suitable for outdoor activities. They determine the temperature changes of the skin under various wet clothing materials and graph the temperature changes. ...
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Caldecott Tunnel
Students visit the Caldecott Tunnel. They examine dark brown basalt and the gray-green sedimentary rocks and draw picture of the rock layers in the cliff face. In addition, they write a short paragraph describing what you observe about...
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Yuckiest Site on the Internet
Students investigate the worm and the cockroach. In this organisms instructional activity, students visit suggested websites to identify the characteristics of worms and cockroaches. Students dissect a worm and observe a live...