Three types of symbiosis are explained: parasitism, commensalism, and mutualism. This is done with colorful animation and lively dialogue in a straightforward and easy-to-follow manner. Have your ecology class watch this at home and then...

Students research phytoplankton and zooplankton. In this food chain lesson, students read This is the Sea That Feeds Us and discuss plankton, food chains, and webs. Students define phytoplankton and compare them to land plants....

The story of one bird provides valuable insight into general animal behaviors and interactions. Young researchers investigate the peregrine falcon using a web search. They analyze the behaviors of the raptor including its migration...

Students study the benefits of estuaries. They construct a saltwater food web, and complete worksheets and a quiz.

A lab activity is a great way to incite thoughtful questioning and scientific processes. Pupils will collect organisms with a Petri dish, make observations, sketch the organism, ask questions, then attempt to identify the specimen...

Students interpret data to demonstrate biomass and number pyramids. They use information to draw conclusions and examine an example of biological magnification.

Students explore the concept of biomass. In this plant lesson, students conduct a scientific investigation that requires them to observe plant growth and biomass.

Young scientists discover how sea otters' habitats have changed due to human impact. Through conversation, video observation, and story reading, scholars identify how human interactions change a specific ecosystem in both positive and...

Students gain an understanding that the Sun is the source of all energy. With a partner, they examine various web sites to explore food chains and food webs, later sharing their findings with the class.

Learners identify a food chain sequence. They compare, identify, and record the rodent skeletal parts to a rodent skeletal diagram. Students construct a rodent skeleton from the skeletal parts found in the pellet. They are given the...

Students use various web sites to access information about the rain forest. They use the Tropical Rainforest Interactive CD to make their own rain forest pictures and stories and learn facts about the rain forest. They use various books...

Students role play a living wetland food web. They trace the food web associated with the items in their lunch.

Students, after locating different marine habitats on a globe, play a card game about ecosystems, food webs and organisms.

Students examine the interconnectedness of living and non-living things that constitute an ecosystem. They examine fallen trees,insects, living trees, leaves, food webs, and forests. They conduct various activities and write poems about...

Students create graphic organizer webs that illustrate their thinking about seasonal physical and biological changes caused by changes in sunlight. They identify the central role of sunlight in living systems.

Fifth graders relate population of animals to its available food supply. They participate in an experiment and gather information. They use the data to draw conclusions.

Young environmentalists study the effects that pesticides have on birds, such as the peregrine falcon. They also look at predator/prey interactions. Some wonderful in-class activities accompany an inventive lesson. After an activity that...

A branching key is a great way to classify different types of animals and plants! Fifth graders answer several yes/no answers about three different plants. They then create their own key to differentiate between an iris, a rose, and a...

Here is a well-designed science lesson that shows learners that everything that organisms do in ecosystems, including running, breathing, burrowing, growing, requires energy. After a thorough discussion of their own eating and drinking...

An ecosystem is really just the flow of energy through many different living organisms. A study of Rudyard Kipling's The Jungle Book leads to an environmental science activity in which learners study how various factors can affect...

What one person thinks is a pest may not be a pest to someone else. Here, scholars examine the characteristics of living things and pests through grand conversation and a variety of activities. Class members play a game of pest or not a...

A blood sucking what? Grade schoolers identify the characteristics of blood sucking parasites. They organize their information, identify their arguments, and present them to the class in persuasive arguments. They participate in a debate...

Have your class learn about marine life through this resource. This comprehensive lesson has learners discuss marine life, learn key vocabulary, discuss environmental concerns, and play games related to migration and predator/prey...