Constructing A Food Web

Tenth graders examine how energy is lost through different trophic levels.  In this trophism lesson students construct a food web and view a video. 

Here is a practical activity for reinforcing understanding of energy flow in ecosystems. Learners identify whether each organism in a list is a producer or decomposer. They tell if each is an herbivore, carnivore, omnivore, or...

Two blooms of phytoplankton, instead of just one, now occur in the Arctic due to declining sea ice, which will have widespread effects on the marine life and climate. In small groups, participants build an Arctic food web with given...

Middle and high schoolers examine the basics of a mountain lion's diet by examining food chains and food webs. Learners are each assigned one of the lion's prey species and they must construct a food chain for this animal. They see how a...

Students explain the role of different organisms in the food web. In this ecology lesson, students participate in a game to simulate mineral cycling through the web. They discuss the importance of recycling minerals and resources.

What happens when a non-native species is introduced onto an island? Santa Cruz Island, part of the Channel Island chain located off the coast of southern California, provides the perfect laboratory for young environmental scientists to...

Packed with visual aids and multiple learning opportunities, an engaging exercise challenges individuals as they explore the role of producers, consumers, and decomposers. After discussing differences between food chains, food...

Building on prior knowledge of the pervious instructional activity in the series, pupils explain the previous instructional activity to each other. Then they write a simple guide for a young child to read on the same topic. 

This is a must-have resource with everything you'll need for studying food safety with your pupils. From handwashing scorecards and cleaning kitchen surfaces to navigating the world of microbes and food-borne illnesses, here you'll...

Investigate desert biomes by creating food chains and food webs. Groups first research feeding habits of organisms in the Sonoran Desert. This information helps pupils draw food chains and webs to determine relationship between organisms.