This is a PowerPoint that reviews the concepts of energy in an ecosystem. It includes the following vocabulary words; producer, consumer, herbivore, carnivore, omnivore, decomposer, food chain, food web, and energy pyramid. Each word has its own slide and practice questions are at the end. It goes along with Lesson 6 of the 4th Grade TCAP Coach Science Gold Edition. Can be used to intoduce concepts as well.