A video and a short multiple-choice quiz on food webs that explains the difference between food webs and food chains, and the relationships that exist between organisms.

Learn how scientists classify different types of organisms in an ecosystem or in a food chain by their role and function as either a producer, a consumer, or a decomposer. Then play a game that tests your understanding of these important...

Describes the characteristics of a tundra biome, how a tundra food chain compares to a tropical food chain, and what the different trophic levels look like.

A module that explains what an ecosystem is and how energy and matter move through them. Students will look at the different roles of plants and animals and at ecological relationships in food chains and food webs.

Students will use a card sorting activity to construct a food chain and identify the role of organisms within that chain. The cards represent different individuals in an ecosystem and will help students begin to understand the concepts...

The difference between food chains and food webs is explained.

Describes how a food chain works in a desert and how the Mojave desert food chain works in particular.

Explains what a primary consumer's role in a food chain is and provides examples.

Students construct possible food webs for six different ecosystems as they learn about the roles of producers, consumers, herbivores, carnivores and decomposers.

Students learn about energy flow in food webs, including the roles of the sun, producers, consumers and decomposers in the energy cycle. They model a food web and create diagrams of food webs using their own drawings and/or images from...

The students will become the food web in this fun interactive classroom activity. Detailed instructions, background information, guiding questions, and activity worksheets are provided.

A comprehensive overview of food webs. Includes three videos: a half-hour show, a video short, and a short video where an expert answers children's questions. Other features of the site include facts, links, games and activities, a...

Answer these ten interactive questions about ecological feeding relationships by choosing the correct image that completes each food chain.

Lesson plan to construct and explain a food chain. Includes games and activities to teach and reinforce concepts.

PBS site provides some basic information on the food chain.

[Free Registration/Login Required] This flipchart reviews various food chains.

[Free Registration/Login Required] This flipchart allows students to identify and manipulate food chains.

In this ecosystem consisting of hawks, snakes, rabbits and grass, the population of each species can be studied as part of a food chain. Disease can be introduced for any species, and the number of animals can be increased or decreased...

[Free Registration/Login Required] Through this flipchart students will be able to summarize and organize simple food chains.

Jorge is a cook in an underwater restaurant. He knows a lot about food webs. Dive in and learn about it with him.

Students learn about energy and nutrient flow in various biosphere climates and environments. They learn about herbivores, carnivores, omnivores, food chains and food webs, seeing the interdependence between producers, consumers and...

Explains what is meant by a tertiary consumer in a food chain and provides examples.

Work samples, phenomena, assessment templates, and videos that directly address standard 5-PS3-1: food energy from the sun.

Students learn about Abiotic and Biotic Factors and how they affect the ecosystem in which an animal might live in.