Curriculum Filter Results

Estuary Values and Changes

Activity A:  What is the ecological role of an estuary?

In this investigation, students use various sets of data to examine some of the characteristics of the estuary at Old Woman Creek,near Huron, Ohio. Students learn about the methods used by ecologists to sample populations of plant and animal life in aquatic ecosystems, the living communities that are found in different depths of water in an estuary, and how plant communities are important to animal life in an estuary.

Activity B: How do estuaries impact nutrients entering a lake?

Students analyze a map and data to learn how estuaries affect nutrient levels as water enters a lake.
They make predictions about how the effects of climate change might affect an estuary’s ability to improve water quality and function properly.

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Where Should I Relocate in the Great Lakes Region?

This activity will allow students to describe the Great Lakes region using a map and identify some of the resources the region has to offer. Also, by using maps and graphs students can demonstrate how they can provide information for decision making. Students will describe a decision making process by which people can evaluate a geographic area as a possible home site.

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What is the Ecological Role of an Estuary?

To most people, an estuary (es-chew-airy) is a place where fresh water meets the sea. In its broader meaning, an estuary is that part of the mouth of a stream in which the water level is influenced by the lake or sea into which the stream flows. The Great Lakes have some estuaries.

Old Woman Creek on Lake Erie has an estuary that has been set aside by the state and federal governments as a “state nature preserve” and “national estuarine research reserve.” The St. Louis River Estuary on Lake Superior is currently listed as an “Area of Concern”by the EPA and is undergoing remediation for pollution. Why should the government bother to preserve an estuary such as Old Woman Creek or the St. Louis River Estuary?

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What Are the Characteristics of the Great Lakes Exotic Species?

This puzzle activity is designed to help students review facts and information about the characteristics of the Great Lakes exotic species. They also learn about origin and introduction methods.

Students will be able to match an exotic species with its characteristics, classification, origin, and introduction to the Great Lakes.

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What are the Characteristics of Some Great Lakes Fish?

If you know how to construct a dichotomous key, you can make one that classifies real organisms, some fish in the Great Lakes. For this activity you will work in groups of 3 or 4. Your group will construct a key to identify some fish families and learn something about them.

Lake Erie has a larger variety of fish life than any other Great Lake. Scientists believer this is because of the southern position of the lake and because it is shallow. Lake Erie has 138 species of fish. These species can be grouped into 27 families. All of the fish in a given family share certain characteristics.In this exercise you will learn how to use these characteristics to identify the 27 families.

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Being Productive in the Arctic Ocean

Objectives:

  • Students will be able to identify the three realms of the Arctic Ocean, and describe the relationships between these realms.
  • Students will be able to identify major factors that limit primary productivity in the Arctic Ocean, and will be able to describe how these factors exert limiting effects.
  • Given data on potentially limiting factors and primary productivity, students will be able to infer which factors are actually having a limiting effect.

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Bats and Hot Nuts!

This activity allows students, working individually or in small groups, to retrieve information from pre-assigned web sites, retrieve real-time data to compare nitrate and phosphate concentrations at two open ocean monitoring sites, and construct an EXCEL graph using data from two different sites.

Each student or group will retrieve data for a specific time frame from public data generated at an ocean observatory and generate a graph for each variable. After graphing the data, students will analyze their graphs, discuss and compare their findings with the class. In conclusion, the students will predict how future Global Climate Changes might affect these nutrients in the open ocean.

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More Than Just A Lake!

By creating a map of the rivers flowing into your Great Lake, learn how rivers form a watershed.

Objectives

  • Students will understand the defining role that rivers have in watershed activity
  • Students will be able to state whether they live inside or outside the drainage basin of their Great Lake
  • Older students will be able to identify the river drainage basin in which they live

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