CK-12 Foundation
Limiting Factors to Population Growth: Graphing Population Growth
If any of the limiting factors in an environment change, both animal and plant populations also change. The video explains two different models of growth and the impact of limiting factors. It highlights the carrying capacity of an...
National Park Service
Who Grows There?
More than 127 non-native species live in Glacier National Park in Montana and their infestations are growing! Pupils read about and gather samples of exotic plants. Participants create a master book of pressed plants and complete a...
Association of Fish and Wildlife Agencies
Schoolyard Biodiversity Investigation Educator Guide
In 1980, in the tropical rainforests of Panama, scientists discovered 1,200 species of beetles living in and around just 19 trees, with most of the species new to science—that's biodiversity! In the activity, learners work in teams to...
MENSA Education & Research Foundation
Ecosystems
Explore the Earth's different ecosystems through four lessons, an assessment, and extension activities. Lessons include informative text and step-by-step instructions to apply knowledge in interactive, and thought provoking ways; such as...
National Science Teacher Association
Middle School Sampler: Science
Focus on inquiry-based learning in your science class with a series of activities designed for middle schoolers. A helpful packet samples four different texts, which include activities about predator-prey relationships, Earth's axis and...
National Park Service
Biodiversity—Bee Week
If you want scholars to fall in love with bees, this is the unit for you! Celebrate bees with a full week of material—designed for the Next Generation Science Standards—that addresses the importance of pollination and fertilization....
NOAA
Sustaining Our Ocean Resources
Lead young scientists on an investigation of fishery practices with the final installment of this four-part unit. Using a PowerPoint presentation and hands-on simulation, this lesson engages children in learning how fish populations are...
Michigan State University
Bug Lyphe!
Introduce ecology classes to biodiversity and interdependence in ecosystems with a PowerPoint presentation. Then, they get up-close and personal with the invertebrate world by collecting insects, classifying them, and graphing their...
Michigan Sea Grant
Sea Lamprey
Learners discuss the types of technology that are used to control the population of sea lamprey in the Great Lakes. They explain the parasite/host relationship and understand the devastating impact invasive species have on ecosystems....
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
Wetlands
Wetlands may not sound particularly ornate, but they are as important as any habitat! With a hands-on activity, young scientists build a wetland model and observe its many functions in action. They discover the importance of wetlands to...