Curated OER
What is an Estuary?
Students define the terms estuary and watershed. They conduct an experiment to determine the density differences between fresh and saltwater. They examine the salinity distribution of the Peconic Bay Estuary.
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Oddball Out: Fish
In this problem solving worksheet, students analyze a row of pictures of various fish to determine which creature is different from the others pictured. A bonus question asks students to identify which fish live in salt water but breed...
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Salinity and Brackish Water Systems
Students are able to tell the difference between brackish and salt water. They also are able to distinguish water qualities specific to each type of water. Students answer various questions about all types of water.
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Aquatic Communities
Students watch a video about aquatic communities. They conduct an experiment that shows how movement of rivers change the landscape. They compare fresh and salt water communities and its wildlife.
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Where is Water Found?
Fourth graders examine the amount of water and its distribution on Earth. As a class, they brainstorm a list of where water can be found and classify the places according to salt water, fresh water or glaciers. They estimate how much...
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The Tip of the Iceberg
Students discover the percentage of an iceberg that is above and below the water surface. They compare salt water icebergs and fresh water icebergs and if they behave the same of differently. They work with their lab group to perform...
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Sea Water Mixing and Sinking
Students investigate the role of temperature and salinity in determining seawater density. They use a Temperature-Salinity Diagram to examine the effects of mixing on density.
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Snapshot Day Definitions and Activities
Here is a document full of teaching notes on water quality and bodies of water that you can use in your ecology curriculum. It has information specific to the Hudson River area, but can easily be adapted to any local body of water....
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Will It Grow?
Fifth graders conduct experiments involving plants. In this science instructional activity, 5th graders design an experiment involving plants. Students use the scientific method to design their experiments.
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Designing A Study
In this designing a study worksheet, students conduct a study on all types of fish that live in the Hudson River. They complete 8 various types of questions that include mostly short answer in response to their findings. Students also...
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Salt Marsh in a Pan
Students create a model of a salt marsh to discover the impact of pollution and human activities on water-based habitats including bays and the ocean. They recognize the relationship between natural and developed areas. Students impact...
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Aquaculture
Learners examine an experiment in which 2 types of commercial fish are fed a new type of fish feed and a commercial fish feed which costs ten times as much. They calculate in the fish grow as well with the cheaper fish feed and then...
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Sea Level and the Terrapin
Students study the habitat of the terrapin. In this terrapin lesson, students create a diorama of the habitat of the terrapin. Students also simulate how it would look if people moved into the area and how predators can threaten terrapin...
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Fish Communities in the Hudson
Learning to read data tables is an important skill. Use this resource for your third, fourth, or fifth graders. Learners will will study tables of fish collection data to draw conclusions. The data is based on fish environments in the...
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Kingdom Animalia ~ A Look at the Five Major Classes
Biological taxonomy masters examine the five main classes under phylum chordata. Pupils compare and contrast the identifying characteristics of the various organisms. They explain why taxonomy is important in classifying organisms. You...
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"Once More to the Lake" by E.B. White
Revisit your own childhood memories of long summers and lakeside fun with E.B. White's essay, "Once More to the Lake." Included here is the actual text as well as a series of short-answer questions that follow. Not only do readers study...
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Building A Solar Still
Students investigate the water cycle by viewing an online video. In this drinking water lesson, students create solar stills at their campus in order to purify water that is tainted. Students view a video on their computers about...
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Properties of Fresh and Sea Water
Students work with three stations to demonstrate the properties of water. They explore water's boiling point, freezing point, and its ability to store heat.
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Osmosis and Dialysis
How do you engage pupils in a discussion about osmosis without leaving them overwhelmed? By providing them with the tools to perform an exciting experiment, and they will see osmosis in action! Young chemists and biologists use a potato...
Polar Trec
Do You See What Icy?
Here is a lesson that kicks off with a question. "How does ice floating on the ocean act as it melts?" As learners investigate this natural phenomenon, they'll discover that it has a lot to do with temperature, salinity, and the effect...
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Earth's Water Sources
General facts about Earth's water sources, human use, and the water cycle are outlined by this presentation. Slide three has a grammatical error and slide nine refers to the local watershed of the author, so you will need to make a few...
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The Coastal Ocean: Estuaries and Continental Shelves
Amazing high-quality satellite imagery, photos, informational graphs, and detailed diagrams comprise this presentation on the movement of estuaries and the continental shelf. Data used as an example is from The Chesapeake Bay and because...
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Liquid Rainbow
Students develop their own techniques for drawing a small sample of solutions into a straw. They hypothesize ways to increase the density of water, and discuss how salt-free rainwater tends to float on top of salty seawater.
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Regulating the Internal Environment
This presentation begins with the many problems multicellular organisms which rely on diffusion encounter. There are many diagrams of mammalian organ structures, and they are labelled with their relevant functions. This an excellent...