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Exploring With Photograms
Young scholars observe the interaction between energy absorbed, reflected or transmitted through an object in a photochemical process with a classroom demonstration.
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"Pennsylvania Watersheds, Many Ways to the Sea"
Students trace a molecule of water through the water cycle including each of its three loops. They describe why evapotranspiration demands the largest portion of total precipitation falling on a forested watershed.
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Why is the Sea Salty?
Learners conduct a hands-on activity to investigate salt concentrations in water and how salt remain after water evaporates. They can also do a Saltwater Painting to once again observe the evaporation. process.
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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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Water Quality Comparison of Pulpit Rock Stream and Welton Falls
Eighth graders analyze different water samples given to them by their teacher.
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How Soft or Hard is Your Water?
Students test samples of water to determine how a chemical water softener affects water's ability to form suds. After collecting their data and analyzing their results, students answer follow-up questions about their lab.
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Underwater Picture of the Hudson River Estuary
Students identify important aspects of water quality such as slainity and turbidity. They test two of the water quality parameters and determine the quality of the water. In addition, they construct two sets of graphs based on data...
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Kidney and Related Concepts
In this kidneys learning exercise, high schoolers review the function of the kidneys including what happens when the kidneys stop working. Students also compare kidney function in fish, frogs, and kangaroo rats. This learning exercise...
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Mussel Your Way Through Photosynthesis
Learners, using zebra mussels (Dreissena polymorpha), elodea and an indicator dye, observe and record the role of light in photosynthesis. They consider plant production of carbon dioxide and the use of live materials in biological...
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An Underwater Sediment Slide?
Students explore the proximity of the Hudson Shelf Valley and the Hudson Canyon to one of the Nation's most populated areas. They study that from 1987 to 1992, two dumpsites in the Hudson Shelf Valley and Hudson Canyon, one 12 miles
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Rusting: A Form of Oxidation
High schoolers observe and record the corrosive nature of oxidation-reduction reactions, and determine the electro-chemical series of selected metals.
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It's the Slime Time
Students experiment to understand the basic concept of polymerization and to understand the dissolution theory. Student experiment with polymers to understand its behavior and the mechanical behavior of polymer networks.
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Isolation of Synthetic Chemicals from Plant Leaves
Learners isolate and identify a dye, which represents a synthetic pesticide, from plants.
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Flower Pigments
Learners experiment with Thin Layer Chromatography to separate pigments found in flower petals.
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LESSON PLANS (print version) pdf What is a Fossil?
Students can better explain how mould and cast fossils occur when they make their own cast fossils using plaster of Paris and objects such as shells, bone or even their own hand or footprint.
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Ocean Microstructure Lesson Plan
Students explore the microstructure of the ocean by analyzing graphs created by Dr. Mike Gregg of the University of Washington Applied Physics Laboratory during the EPIC 2001 research cruise on the Ronald H. Brown NOAA vessel.
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The Chemistry of Water / Industrial Waste at My High School
Students gain factual knowledge of the nature of industrial waste at on their school site. They gain process knowledge of the laboratory techniques and collection procedures for wastewater samples.
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Salt and Water Divorce by a Physical Change
High schoolers discuss the definitions of physical and chemical properties and changes. They vaporize a solution of salt and water, observing the sodium chloride that is left behind.
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Teaching about Aquatic Respiration
Young scholars explore respiration in a lake ecosystem by experiment and research.
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Teaching about the Chemistry of Oxygen Solubility
Students explore solubility of gases in water, Henry's Law, LeChatelier's Principal, and supersaturation of gases in water.
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Teaching about Conductivity
High schoolers explore conductivity and productivity in aquatic systems.
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Sustaining Life Under the Ice
High schoolers design and conduct experiments in order to identify the components of lake water environments that are affected by winter ice cover. They use the experiment results to propose effective human management of these ecosystems.
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Cavern Geology: Speleothem Construction
Students discover how underground rock formations grow. They perform various activities based on grade level.
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Milk: A Practical Application
Pupils examine the impact of the physical and chemical properties of milk and its use as an important food.