Thirty percent of the world's oxygen is produced by rainforests found throughout the world. Seventh grade learners explore the processes of photosynthesis and respiration through 10 days of labs, manipulatives, and discussions. They...

Bermuda is a mysterious place. Meet Scotty and his family and join them on their holiday to learn about energy transfer in ecosystems.

[Free Registration/Login may be required to access all resource tools.] Describes how energy is transfered from one organism to another.

[Free Registration/Login may be required to access all resource tools.] Describes how energy is transferred from one organism to another.

[Free Registration/Login may be required to access all resource tools.] Describes how energy is transfered from one organism to another.

[Free Registration/Login may be required to access all resource tools.] Describes how energy is transferred from one organism to another.

Students learn about inheritance, evolution, and ecosystems. Some topics explored in the tutorial are five kingdoms, respiration, energy transfer, and nutrient cycle.

[Free Registration/Login may be required to access all resource tools.] When an herbivore eats a plant, the energy in the plant tissues is used by the herbivore. Every time energy is transferred from one organism to another, there is a...

[Free Registration/Login may be required to access all resource tools.] Videos, texts, activities, and assessments about food chains and food webs in an ecosystem.

A suite of lessons focusing on the process of upwelling. Inquiry-based exploration of seasonal upwelling includes marine food webs, food production in the ocean, wind-driven ocean currents, and seasonal changes in biotic and abiotic...