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Energy Flow Through Ecosystems
Middle or high school environmental studies classes will learn much from this presentation on energy in ecosystems. It covers the foundational topics of trophic levels, food webs, and nutrient cycles using informational text and...
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Community Ecology
Chart ecological community interactions and answer questions about niche, defenses, trophic structure, and succession. This community ecology worksheet provides a general overview of the interactions that occur among organisms that share...
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Dynamics of Ecosystems
A set of guided notes walks your biology or environmental studies learners through the dynamics of ecosystems. They write short answers to questions about the energy budget, food webs, trophic levels, and biogeochemical cycles. One way...
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Everybody Needs a Little Sunshine
Three activities introduce upper elementary ecologists to photosynthesis and food webs. In the first, an experiment is set up to determine how plants respond to different types of light. In the second, they connect organism cards with...
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Ecology
For use early in the year with your ecology class, this collection of slides introduces viewers to cycles in nature and relationships between organisms. There is a food web diagram, but the presentation is incomplete without any diagrams...
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Entering the Twilight Zone
Students describe major features of cold-seep communities and the process of chemosynthesis as it relates to organisms in each habitat. In this deep-sea habitats instructional activity, students study the categorization of ocean...
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Forest Ecosystem
Students become familiar with the temperate rainforest. In this forest ecosystem lesson, students identify the producers, consumers and decomposers in the forest ecosystem. Students sort cards and identify the trophic level of the...
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The Interdependence of Birds and the Great Salt Lake Ecosystem
Tenth graders participate in the "Checks and Balances" game. This game lets them experience the interdependence of oragnisms specific to the Great Salt Lake. They recieved informaton about food chains, food webs, trophic levels various...
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Lessons: Food Web
Students use an interactive web-based food web game to gain familiarity with tropic levels and interactions. They already understand that in an ecosystem there are four basic tropic levels: producers, primary consumers, secondary...
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Trophic Ecology of Humans
students analyze the place of humans among the tropic levels by observing what we eat. They calculate the caloric content of several foods commonly eaten by humans and calculate the total energy cost to grow, process, transport, store...
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2005 Grade 8 Science Released Test Questions
Here is a collection of 22 multiple-choice questions on topics from the physical and life sciences. Apparently they came from an 8th grade comprehensive science exam and have been released for public use. They may serve as a sufficient...
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Life or Death Food Chain Decision
High schoolers discuss how energy is transferred to different trophic levels. In this biology lesson, students solve a theoretical problem and debate on a solution. They explain how energy is lost during cellular respiration.
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Heat 1
In this heat instructional activity, students determine the heat gained or lost when matter changes phases. Students review the energy flow through ecosystems by comparing trophic levels and food webs. This instructional activity has 10...
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How Does Energy Cycle in Ecosystems?
In this energy cycle worksheet, students will write in examples for each trophic level in an energy cycle: top, middle, and lowest levels.
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Food Webs
Students recognize interdependence in a food web by using yarn and notecards to create a food web and discussing what would happen if one of the organisms from a certain trophic level is removed.
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Plants 'R' Us!
Students investigate the interdependencies of plants and animals, and study what a food web is. They create a food web using yarn and images.
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Principles of Ecology
In this ecology worksheet, learners will fill in a graphic organizer showing the relationship organisms have with their environments and with each other. This includes biotic and abiotic factors, tropic levels, and ecological pyramids....
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A Tale of Two Reactors
Tenth graders role-play as members of the food chain. Sticky tables acting as polluting factors are introduced and members of different trophic levels suffer varying degrees of damage due to those pollutants.