Curated OER
Ecosystems of the World
Learners are able to list different ecosystems and describe their environment and organisms. They have an understanding about the function and balance of the ecosystems. Students are able to tell what type of ecosystem the St. Mary's...
Curated OER
How Much Water?
Students investigate amount of water available in different countries around the world, compare it to their daily water use, and explore how unequal distribution of water can cause challenges to survival. Students then discuss need to...
Curated OER
Food Webs in the Barnegat Bay
Students investigate the food webs in the Barnegat Bay. In this organisms lesson, students use a graphic organizer to illustrate the types of consumers in the bay. Students use reference books to continue to research the animals found in...
Curated OER
Local Habitats
Students create dioramas that depict a habitat. In this habitat lesson, students use a variety of art items to develop either a marine, freshwater/pond, or forest habitat in a box. They write an expository essay about their habitat, and...
Curated OER
Osmosis
Fifth graders explore osmosis as they watch organisms divide. In this organism lesson plan, 5th graders use potatoes to experiment with the effects of salty water in the body. Students discuss what osmosis is and record what happens in...
Curated OER
Great Lakes Ecology
Eighth graders identify the Great Lakes, and describe the habitat of life of a loon. They are able to point to and explain one of the major river systems that enters the Great Lakes with a focus on the Clinton River and the food webs...
Curated OER
What's in the Water?
Students make a water sampler and use proper techniques to collect water.They write a essay explaining the inter-relationship of factors such as temperature, pH, dissolved oxygen, nitrates, and phosphates in a lake that might cause a...
Curated OER
Chesapeake Bay
The Chesapeake Bay is the largest estuary in the United States. Explore its origins, organisms, and contributing rivers with this PowerPoint. It opens with several slides of general information on the formation of estuaries, then it...
Curated OER
The Water Cycle
Your class sets up a mini water cycle model to examine the process. Then they watch an animation, following a water molecule through the cycle. A well-developed lab sheet guides learners through the lesson and a PowerPoint presentation...
NOAA
Why Should I Care?: Show How Increased Carbon Dioxide Makes the Ocean More Acidic
How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...
Curated OER
Save Your Breath
Students discuss metabolism. In this metabolism lesson, students evaluate evidence form a research report and discuss the basis for hypothetical metabolic adaptations to low-oxygen environments in the anchialine caves.
Curated OER
Ecology
Fourth graders research an ecosystem and its endangered species. They create a PowerPoint Presentation, oral report, poster or a booklet based on their research. They research on the internet and in biology texts in teams of 4.
Curated OER
Creating a Freshwater Ecosystem
Young scholars correctly identify some fishes of Texas and parts of their ecosystem.
Curated OER
Floating Pencil
Students discover how salt water makes a pencil float better than freshwater by measuring and comparing the lengths of the portion of the pencil that floats above the water surface. They then determine if an unknown water sample is...
Curated OER
The Captain And Lake Wilmar
Tenth graders examine the ecosystem of Lake Wilmar through three coordinated performance tasks. They first investigate the effects of pH on freshwater animals by comparing the zooplankton counts from three different areas. They then...
Curated OER
BIOASSESSMENT OF STREAMS
Pupils work as a team to gather organisms from a stream to evaluate if the water quality is excellent, good, or fair to poor.
Curated OER
Saltwater Science
Students conduct an experiment that shows them how salt water allows things to float. In this salt water lesson plan, students mix ingredients together to create salt water and observe how it makes the oceans dense. They then interpret...
Curated OER
LD50 of NaCl to Gammarus spp.
Students learn the meaning of LD50 through lecture and discussion. Through experiment, students graph and calculate the LD50 of salt on fresh water amphipods. Students compare results of the experiment with pesticides and pollutants.
Curated OER
Got Water?
Students determine that delivering clean, fresh water to citizens around the world involves and affects politics, economics, international relations, and technology. They brainstorm a list of factors that might affect their town's...
Curated OER
Daphnia and Algae: A Study of Pond Dynamics
Students observe interrelationships and interdependencies of organisms which may generate stable ecosystems. They also study that living organisms have the capacity to produce infinite sized populations, but environments and resources...
Curated OER
Fish Communities in the Hudson
Students use tables of fish collection data to draw conclusions about where fish live in the Hudson Estuary. Given available data they interpret organized observations and measurements and recognize simple patterns, sequences, and...
Curated OER
Water Quality
Learners are presented with a hypothetical situation to investigate the water quality of the James River. They are given data to analyze and put into the graphic organizer that is included to help solve the problem. The lesson includes...
Curated OER
Exploring "Our Lakes"
For this lakes worksheet, students access a website to explore the geology and anatomy of a lake. This worksheet has 9 short answer questions.
Curated OER
Aquaculture
Students 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...