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Bats and Hot Dogs
Learners identify patterns and relationships from data that is collected and solve variables. In this investigative lesson students study ocean productivity, the nitrogen cycle and phytoplankton then answer questions.
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Coho Salmon Enhancement
Students build a fish trap across a small stream. The purpose of the trap is to collect baseline data of Oncorhynchus kisutch, Coho salmon, smolt numbers coming out of a spring-fed pond. Other biological data also be measured.
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The Effects of Water Quality on the Growth Rate of Freshwater Mussels
Learners participate in a field and laboratory study to determine if local freshwater mussels are environmentally stressed.
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Go Jump In The Lake!
Middle schoolers experiment with local lake water to determine the health of the lake waters. They explore the human impact on the lake water, hypothesize and share inferences in a scientific report.
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Molecular Architecture
Students cuminate their study of molecular structure and bonding with this activity.
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Biochemical Cycles: Recycling Carbon and Nitrogen
Young scholars construct flow diagrams of the carbon and nitrogen cycle processes. They identify sequences in each cycle that are affected by human impact and present their research to the class.
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Earth's Atmosphere and Temperature
Pupils explore the layers of earth's atmosphere and conduct an experiment to identify carbon dioxide. They construct models using styrofoam to represent molecules in the atmosphere's layers. To discover how sunlight efffects...
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Exothermic and Endothermic Changes
Students define and identify endothermic/exothermic reactions. Using a series of experiments, they construct and interpret potential energy diagrams for their reactions.
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Deposition
Students follow carefully designed instructions to bond silver to glass thus creating a mirror. The process used, Brashear's Process, uses sugar rather than formaldehyde to reduce the compounds, but many of the chemicals are dangerous,...
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Outdoor Survivors
Fifth graders complete a survey to decide what are most popular plants among the class. They test the water quality in a nearby pond. Studnts test the quality of soil samples taken from their homes. Different plants are moistened with...
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Water Quality Tests Explained
Students define all eight water quality parameters and list at list one source for each of the eight water quality parameters. They determine how each of the eight parameters affect river ecosystems.
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Introduction to Biomolecules
Students are introduced to biomolecules and their roles in livin systems. They are introduced to the "Elements of Life." Students write down and define the "Elements of Life." They are asked why they think those elements are essential...
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Managing Nutrients in Livestock Manure
Livestock managers reinforce math and science skills while learning about the nutrients found in manure. They predict which animal produces the largest amount and which animal's manure contains the most nitrogen. Finally, they compare...
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Acid-base Homework Problem Set 2
In this acid-base reaction instructional activity, students calculate the ion concentration and pH for 6 solutions, graph titration results for 11 reactions and use Henderson-Hasselbach equations for three problems.
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Ecology Worksheet
In this environment activity, students engage in the completion of 32 sentences to find the word that is used to complete the thoughts.
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Testing Water Quality
In this science worksheet, high schoolers test the quality of water taken from a local source and test it in a lab for the ingredients present.
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Stoichiometry Problems
In this stoichiometry instructional activity, students practice calculating mass or volume for specific chemical reactions. This instructional activity has 5 problems to solve.
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Additional Stoichiometry Problems
In this stoichiometry worksheet, students calculate the mass or compounds or volume or gases produced from given chemical reactions. This worksheet has 5 problems to solve.
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Stoichiometry Problems - Limiting Reagents
In this stoichiometry worksheet, students determine the limiting reagent and mass of precipitate produced in given chemical reactions. This worksheet has 5 problems to solve.
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Solubility
In this solubility worksheet, students calculate the final concentrations of the ions involved in a chemical mixture. Students calculate the solubility of different compounds. This worksheet has 13 problems to solve.
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Precipitation and Neutralization Reactions
In this chemical reactions worksheet, students determine the balanced formula equation, balanced complete ionic equation, and the balanced net ionic equation for given reactions. Students calculate final concentrations for ions in given...
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The Westing Game: Chapter 17-20
In The Westing Game chapter questions worksheet, students complete a series of short answer questions for chapters seventeen through twenty to advance their understanding of the text.
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Writing Formulas for Ionic Compounds with Complex Ions
In this writing formulas instructional activity, students write the formulas for 15 complex ionic compounds and name their anions and cations. Students must balance the charges on the ions and determine the formula.
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Equilibrium Constant
In this equilibrium constant learning exercise, students show the balanced reaction for given reactions. Students write the equilibrium expression for the reactions. Students apply the Le Chatelier's Principle. This learning exercise has...