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Food Webs Activity 3: Food Chains and Webs (Grades 6-8)

Subject ScienceLife Science
Grade Level Grades 6-8
Resource Type Activity
Standards Alignment
Next Generation Science Standards


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Students practice building food chains and webs, explore interrelationships in the EOL Food Webs Tool, then model the flow of energy in food webs. 

  • Students will describe how energy flows through food chains and food webs
  • Students will model the interrelationships of ecosystems
  • Students will manipulate ecological relationships through food chains and using EOL Food Webs

Lessons in this unit:

  • Food Webs Activity 1: Producers, Consumers, Decomposers
  • Food Webs Activity 2: Food Web Systems
  • Food Webs Activity 3: Food Chains and Webs
  • Food Webs Activity 4: Food Chains Rummy

Download Educator Guide for this unit.


Construct a scientific explanation based on evidence for the role of photosynthesis in the cycling of matter and flow of energy into and out of organisms.
Analyze and interpret data to provide evidence for the effects of resource availability on organisms and populations of organisms in an ecosystem.
Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.
Develop a model to describe the cycling of matter and flow of energy among living and nonliving parts of an ecosystem.
Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.


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