Curated OER
The Effects of Water Quality on the Growth Rate of Freshwater Mussels
Students participate in a field and laboratory study to determine if local freshwater mussels are environmentally stressed.
Curated OER
Go Jump In The Lake!
Learners 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.
Curated OER
Molecular Architecture
Students cuminate their study of molecular structure and bonding with this activity.
Curated OER
Biochemical Cycles: Recycling Carbon and Nitrogen
Students 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.
Curated OER
Earth's Atmosphere and Temperature
Students 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...
Curated OER
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.
Curated OER
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.
Curated OER
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...
Curated OER
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...
Curated OER
Acid-base Homework Problem Set 2
In this acid-base reaction worksheet, students calculate the ion concentration and pH for 6 solutions, graph titration results for 11 reactions and use Henderson-Hasselbach equations for three problems.
Curated OER
Ecology Worksheet
In this environment worksheet, learners engage in the completion of 32 sentences to find the word that is used to complete the thoughts.
Curated OER
Testing Water Quality
For this science worksheet, students test the quality of water taken from a local source and test it in a lab for the ingredients present.
Curated OER
Stoichiometry Problems
For this stoichiometry worksheet, students practice calculating mass or volume for specific chemical reactions. This worksheet has 5 problems to solve.
Curated OER
Additional Stoichiometry Problems
For this stoichiometry worksheet, learners calculate the mass or compounds or volume or gases produced from given chemical reactions. This worksheet has 5 problems to solve.
Curated OER
Stoichiometry Problems - Limiting Reagents
In this stoichiometry activity, students determine the limiting reagent and mass of precipitate produced in given chemical reactions. This activity has 5 problems to solve.
Curated OER
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.
Curated OER
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...
Curated OER
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.
Curated OER
Equilibrium Constant
In this equilibrium constant worksheet, students show the balanced reaction for given reactions. Students write the equilibrium expression for the reactions. Students apply the Le Chatelier's Principle. This worksheet has 37 problems to...
Curated OER
Chemical Equilibrium
Middle schoolers explore Le Chatelier's Principle. For this lesson about chemical equilibrium, students do an experiment with several different activities . Middle schoolers observe as they do the experiments and understand the outcome....
Curated OER
Writing Formulas
In this writing formulas activity, students are given the names of 92 chemical compounds and they determine the formula for each compound.
Curated OER
Chemical Equations
In this chemical equations worksheet, students are given the trends for the reactions between the alkaline earth metals with water, the solubility of the Group II hydroxides and the solubility of the Group II sulphates.
Curated OER
Look At A Landfill
Students explore how landfills function. In this landfill activity, students explore the use of landfills and the decomposition process by creating a model landfill. Students discuss pros and cons to landfills and how potential...
Curated OER
Comparing Current Chemical Water Quality Measurements with Past Measurements at a Stream Site
Eighth graders compare water quality measurements from the past to present. In this water quality lesson students complete a lab activity that includes stream samples.