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How Clean are the Laboratory Tables?
Students participate in an experiment in which they test the cleanliness of the lab tables. They practice using different materials and analyze their results. They answer comprehension questions to end the lesson.
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Into the Pond
Seventh graders use a pond to explore macroinvertebrates and other organisms. They use a dichotomous key to classify the organisms and maintain a journal recording their findings.
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The Great Gas Race
Fourth graders improve their understanding of Graham's Law by using properties of gases to evaluate the rate of effusion of two compounds as they vaporize. They engage in a lab which elevates their understanding of the properties of gases.
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Radiation In Our World
Students identify the different sources of radiation around us. In this physics instructional activity, students calculate their estimated radiation exposure per year. They research a current issue about radiation.
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Hurricanes and the Importance of Wetlands
Students explain how wetlands minimize the impact of hurricanes. In this earth science lesson, students investigate how different materials affect the steam plume path. They complete their worksheet after the lab.
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DOES A FLUCTUATION IN TEMPERATURE IFFECT THE GROWTH AND SURVIVAL RATE OF AQUATIC PLANTS?
Pupils determine if different temperatures effect the growth and survival rates of aquatic plants and evaluate the optimal temperature for the growth of aquatic plants.
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Organic Materials in an Aquatic Ecosystem
Students evaluate the relationship between oxygen levels and the amount of organic matter in an aquatic ecosystem. They explain the relationship between oxygen levels, bacteria and the breakdown of organic matter using an indicator...
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The Perils of Drinking Water
Students determine the presence of drugs in water. In this chemistry lesson, students experiment on water samples using thin layer and column chromatography. They determine the concentration of drugs present using graphical analysis.
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GUM: More, Less, or the Same?
Students confirm the law of conservation of matter by weighing chewing gum before and after it is chewed.
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Effects of Nitrate and Phosphate Changes on the Growth of Algae
Students determine the effects of an increase of the amount of nitrate and phosphate levels on the growth of algae. the development of a hypothesis is encouraged and students proceed to a conclusion based on their results.
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The Importance of Water
Students explore the importance of water. They discuss why water is important and students design an experiment that evaluates the water quality and methods of improving water quality. Students perform testing and report their findings.
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Liquid Logic: Experiments in Viscosity
Young scholars examine specific characteristics of liquids through a hands-on lab activity. An experiment with teacher prepared viscosity tubes is conducted in which liquid identities are predicted based on data. A hypothesis is written...
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Does a change in pH affect the growth and survival rate of aquatic plants?
Students determine if changes in pH affect the growth and survival rates of aquatic plants. They evaluate the optimal pH levels for the growth of aquatic plants.
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Stoichiometry
Students discover stoichiometric relationships in chemical equations. They review mole to mole conversions. They understand mass/particle conversions. They perform a lab to reinforce stoichiometry.
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Determining Acids and Bases
Students test various liquids and identify as acids or bases. In this chemistry and pH lesson, the students use purple cabbage indicator to test a variety of teacher-provided substances, then bring in liquids from home to test acidity....
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Food Energy
Students compare the energy value of traditional foods eaten by indigenous people with those of modern commercial foods. They use a calorimeter to measure and calculate the amount of stored energy in various food types, and identify the...
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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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Trapping CO2
Students investigate climate change and how the properties of carbon dioxide and methane play a part. In this climate lesson students use a chemical reaction to trap CO2 and methane.
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Pop Secret Information
Students design procedures for increasing the popping rate of a set amount of popcorn kernels. They propose and test a "secret" addition to the corn popping procedure which they expect would increase the popping rate and then write lab...
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Acids, Bases and Indicators
High schoolers investigate the pH of various solutions with indicators. In this acids, bases and indicators lesson plan, students use a variety of indicators to test solutions for their pH. High schoolers determine which indicators are...
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Waste Management
Students investigate the amount of trash they generate, the problems that result and possible solutions.They complete four activities regarding household trash, biodegradability, packaging, and recycling.
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Stoichiometry Lessons
Students are introduced to stoichiometric relationships in chemical equations with a Trail Mix activity before performing a lab to reinforce stoichiometry. Students complete the unit with a lab about limiting reactants in chemical...
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An Egg-cellent Osmosis Experiment
Students investigate the problem of osmosis by conducting an experiment. They use eggs with the shells dissolved to tell whether fluid can move across the membranes. The experiment provides high interest for all kinds of students to keep...
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Genetically Modified Foods
High schoolers explain what genetically modified foods are and how they are created. Students use appropriate vocabulary to describe and effectively discuss the benefits of, and potential risks of, genetically modified foods.