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Showing 4 results for bioindicator ...
Snails as Bioindicators of Acid Deposition - Middle School
- Type: Field Trips
- Grade Levels: Middle School: Sixth Grade through Eighth Grade
Teachers can use this field trip packet to help their middle school students better understand how snails are an important part of the soil’s food chain and why scientists are concerned about their population due to the links between calcium availability in soil and acid deposition. It includes onsite activities, a preparation activity and a wrap-up activity.
Snails as Bioindicators of Acid Deposition - High School Field Trip
- Type: Field Trips
- Grade Levels: High School: Ninth Grade through Twelfth Grade
Teachers can use this field trip packet to help their students better understand how snails are an important part of the soil’s food chain and why scientists are concerned about their population due to the links between calcium availability in soil and acid deposition. It includes onsite activities, a preparation activity and a wrap-up activity.
Salamander Research Field Trip (Middle School)
- Type: Field Trips
- Grade Levels: Middle School: Sixth Grade through Eighth Grade

Researchers use salamanders as a bio-indicator to help assess the health of our forests threatened by air pollution and impacts from a changing climate. When students visit the Smokies on their field trip, one group will be collecting data as part of a Salamander study. The pre, onsite, and post-visit activities in this packet will introduce the scientific method and use the identifying anatomical characteristics to key different species of salamanders.
Biological Indicators
- Type: Lesson Plan
- Grade Levels: High School: Ninth Grade through Twelfth Grade

Macroinvertebrates can be found in bodies of water buried in sediments and detritus or attached to rocks or plants. They are visible without magnification and can be used by scientists to measure water quality. In this lesson, introduce your students to these organisms and to the use of a dichotomous key. Students will hone basic identification skills to increase the reliability of data they may collect during a visit to Cuyahoga Valley National Park.