Curated OER
Acid Rain
Young scholars create acid rain using carbonic, nitrous, nitric, and sulfurous acids.
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Water Usage and Conservation
Middle schoolers investigate water usage at school and at home. They use graphs and tables to evaluate water usage. Students describe possible water conservation measures. They use graphs and tables to relate data as part of a written...
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Making and Using a Hydrometer
Students build a hydrometer to measure the densities of fresh and salt water samples. They record the water temperature and density and use the temperature, density, and salinity conversion graph to locate the salinity. Finally,...
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Nurturing Green Thumbs at School
Incorporating a school garden into the curriculum cultivates many benefits.
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Promoting Inquiry Throught Computer-Based Labs
Student Teachers are given the opportunity to examine how to use a computer-based laboratory for inquiry. The practice is done to teach future teachers how to use these tools so they can be ready for use in the classroom environment.
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What Happens When A Cell Divides?
Students investigate the cycle of mitosis. In this biology lesson, students discuss the different stages of mitosis through cell reproduction. They further their investigation through laboratory analysis.
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Investigation of Timbre
Students design an experiment to analyze the timbre of different instruments. In this physics lesson, students analyze the missing quality in sound. They discuss their results in class.
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Investigating the Biosphere with Planetary Models
Learners model the biosphere and manipulate variables affecting change and plan their experiments with the help of others. They describe their question, hypothesis, and methods of investigation.
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Watershed Management
Pupils investigate the concept of a watershed. They conduct research into the concept using a variety of resources. Students take a field trip to a local watershed to make observations. The outcome is a report concerning the outside...
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Plant Motion: The Untold Secrets
Learners identify and categorize knowledge needed to design an experiment. They observe, recognize and describe the motion viewed. They document any changes caused by various solutions.
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Measurement: Using the balance
Students use a balance and gram cubes to measure several different objects. They then record their results on a data chart and answer questions about them.
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Design and Function of Native Watercraft
Students design clay boats and test their floating ability. They sketch and record each test different boat designs. They compare their designs to those of native Inuit vessels by looking at images and attempting to determine the...
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Introduction to Gas Chromatography
Students analyze gas chromatograms and suggest various applications for gas chromatography.
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Testing Soils for Garden Planting
Sixth graders collect soil samples and record the location of the samples by using GPS.
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Build an Electrophoresis Chamber
Students explore electrophoresis, a technique used to isolate DNA. They assemble a gel chamber for separating mixtures. Students observe separation influenced by electric charge. They define separation through gel electrophoresis.
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Devising a Set of Experiments to Test Water for Dissolved Substances
High schoolers work together to test water samples for pollutants. They design data tables to collect and record their observations. They complete discussion questions to end the lesson.
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Extraction of DNA from White Onion
Students conduct lab test with minced onion to determine where chromosonal DNA is located within the cell, and whether or not it can be extracted.
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Building Your Space Station
High schoolers discuss the benefits of the International Space Station. They evaluate the challenges the designers faced when trying to design the space station. Students discuss the use of scale models when designing large structures...
Teach Engineering
Curb the Epidemic!
Class members use an applet on the Internet to simulate the spread of a disease. The simulation allows individuals to determine two nodes to vaccinate to limit the number of nodes infected. By running several simulations, scholars can...
Curated OER
U.S. History: de Soto's Alternate Route
Eighth graders examine various maps associated with Hernando de Soto's expedition. By comparing their textbook maps with newer maps, they answer a battery of focus questions. Using Microsoft Word, 8th graders answer the questions...
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Types of Chemical Reactions
Students conduct labs to gain an overview of chemical reactions. They observe examples of synthesis, decomposition, single displacement and double displacement reactions. They identify certain products by the use of litmus and splint tests.