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Showing 117 results for Biological Soil Crust ...
Biological Biography
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.
Biological Diversity Field Study
- Type: Lesson Plan
- Grade Levels: Middle School: Sixth Grade through Eighth Grade
From Core to Crust
So You Wanna Be a Paleontologist?
- Type: Lesson Plan
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade

Students will become familiarized with fossils that have been uncovered in Florissant Fossil Beds from the Eocene and Quaternary. They will select a certain extinct species and make a sketch on a Popsicle stick canvas. After shuffling their Popsicle stick fossil, they will then hide the sticks around a room and have someone else find and "excavate" the Popsicle stick fossil and attempt to put it back together. Best done with a partner to exchange fossils to find and put together.
So You Wanna Be a Paleobotanist?
- Type: Lesson Plan
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade

Students will re-create scientific studies done by paleobotanists analyzing data from fossil plants found at Florissant Fossil Beds to draw conclusions about the paleoclimate 34 million years ago. In this activity, students will identify fossil plant species by their leaves, review data on the growing conditions of their nearest modern plant relatives, and compare as many species as possible to determine the range of temperature and precipitation that the fossil plant community can live in.
Freeing the Elwha (Aspect and Soil Moisture)
So you want to be an American President
- Type: Lesson Plan
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade
"What's So Special?" Environment: 4-6 Grade
- Type: Lesson Plan
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade

Students will draw a favorite plant, animal, or activity common to the Everglades environment and explain, in writing, the reason they chose it. This will help students recognize and identify one valuable aspect of a national park’s environment, and draw conclusions as to why they value that aspect of the environment.
George Washington Carver - An Original Conservationist: Sharing the Soil
- Type: Lesson Plan
- Grade Levels: High School: Ninth Grade through Twelfth Grade

For this activity students will create a brochure for farmers. The brochure will describe the needs each crop has (soil type, weather, etc.), the impact of the crop on the soil and the different ways the crop can be used. Students will focus on cotton, tobacco, peanuts, soybeans and sweet potatoes. The goal is for students to understand the impact cash crops may have on soil quality and how farmers can replenish their soil through crop rotation.
Moving Rocks
Enviro Musical Chairs
- Type: Lesson Plan
- Grade Levels: Middle School: Sixth Grade through Eighth Grade

There's a certain mystique about the word “biodiversity” that seems to be associated with images of steamy jungles or wondrous new medicines, but the word more specifically refers to the number of species or 'species richness' of an area. One reason why tropical areas are so fascinating is that they contain the highest numbers of plant and animal species found anywhere on earth.American Samoa sits squarely in the tropics, so we should have a high biological diversity here, but we do and we don't
Freeing the Elwha (Salmonid Natural History)
What's in the Water?
- Type: Lesson Plan
- Grade Levels: High School: Ninth Grade through Twelfth Grade

Water quality is measured using many physical, chemical, and biological assessments. In this lesson, introduce your students to five water chemistry tests. Students will become familiar with pH, nitrates, phosphates, dissolved oxygen and turbidity and their relationship to the Cuyahoga River Watershed. They will begin to understand acceptable test value ranges, make connections between water quality and the biological community and become familiar with the causes of poor water quality.
- Type: Field Trips
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade
Water Quality Monitoring - High School
- Type: Field Trips
- Grade Levels: High School: Ninth Grade through Twelfth Grade
Students work through pre-field trip activities that introduce them to vocabulary, methods and aquatic invertebrate orders. During the field trip, students will explore a park stream to monitor its health based on chemical and biological indicators.
Tree Phenology Monitoring - High School Field Trip
- Type: Field Trips
- Grade Levels: High School: Ninth Grade through Twelfth Grade
Tree Phenology Monitoring - Middle School Field Trip
- Type: Field Trips
- Grade Levels: Middle School: Sixth Grade through Eighth Grade
Fossil Teeth: Changing Climates and Evolutionary Responses Preserved in the Fossil Record (Lesson Plan by Geoscientist-in-the-Park Gina Roberti)
- Type: Lesson Plan
- Grade Levels: High School: Ninth Grade through Twelfth Grade

Students will look at changes in tooth size and shape (morphology) in the fossil record of herbivorous mammals in North America using data from a recent paleontological study. Students will infer factors which caused the observed evolutionary adaptions and link biological adaptation with global climate change and localized habitat change.