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Spellman, Katie V.; Villano, Christine P. – Science and Children, 2011
"We really need to get the government involved," said one student, holding his graph up to USDA scientist Steve Seefeldt. Dr. Steve studies methods to control "invasive" plants, plants that have been introduced to an area by humans and have potential to spread rapidly and negatively affect ecosystems. The first grader and his…
Descriptors: Research Projects, Grade 1, Scientists, Student Projects
Quinlan, Susan E. – 1988
Despite its cold and barren appearance, Alaska's tundra supports a surprising variety of insects, birds, and mammals. In this document, three teacher's guides (for primary, upper elementary, and junior and senior high schools) and a supplementary resource packet present a comprehensive unit of study on Alaska's living tundra. The five lessons in…
Descriptors: Animals, Class Activities, Conservation (Environment), Ecology