Michigan Sea Grant
Food Chains and Webs
Starting with a simple food chain, young scientists interpret the difference and interrelatedness between herbivores, carnivores and producers. They answer questions related to cause and effect of food chain disruptions, including the...
Michigan Sea Grant
Food Web II
A food web consists of complex food chains and the more complex the web, the better likelihood of survival. Learners compare and contrast food webs and food chains and discuss concepts like the predator-prey and consumer-producer...
Tech Museum of Innovation
Seed Dispersal
Engineering challenges are not just man-made ... nature has its own set of them. A hands-on STEM activity has groups designing a seed dispersal system. Each group can only use one sheet of paper — a tough task!