Factors That Affect Populations

Students learn how to count animal populations by the Mark and Recapture method. In this counting animal populations lesson plan, students begin by predicting amounts of different candies in a jar. Students then simulate using beans, two...

In this population growth worksheet, students will brainstorm examples of limiting factors in an ecosystem. Then students will write down what effect that factor has on population growth. This worksheet is a graphic organizer.

Some people live for their yearly beach vacation ... but what many people don't know is how the ocean made life possible! Young oceanographers discover the organisms and nutrient cycles that contribute to continued life on Earth in the...

Math and M&Ms® go great together when introducing a modeling activity. Allow your learners to simulate population growth and decay of fish in a pond and share their reasoning for the change in fish. With such an impact we have on our...

How does a population's habitat determine the size of that population? Teach learners about carrying capacity and limiting factors with an engaging roleplay activity. Class members pose as a colony of penguins who must gather food amidst...

Introducing your class to weather concepts is a breeze with this fresh film! It differentiates between weather and climate, describes the factors that affect weather (temperature, air pressure and humidity), and displays Earth's climate...

Elementary ecologists pretend to be migratory hummingbirds. They fly between wintering and nesting grounds, trying to reach a habitat haven. In a musical-chair fashion, some birds will miss out, and are removed from the game. To further...

Pupils participate in a board game activity in which landing on a space called "Decision Card" presents them with a land-use situation to consider and decide how to act. In order to advance in Hydropoly, players must think critically and...

Weathering and erosion are described with photos, diagrams, and text in this set of 48 slides. Both physical and chemical weathering processes are introduced, as well as the factors that affect the rate of weathering, and types of soil...

Display a stunning drawing of the Gulf of Mexico's ecosystems. Learners examine the picture to determine what birds live there and what foods they rely on. Then show a poignant five-minute film that examines the impact of the 2010...