| Sort by Title | |
|---|---|
| Science Matters: Blood PlasmaIt is ironic that the horrors of warfare often produce advances in science. During World War II, the demands of treating battlefield wounded brought about a vast improvement in the delivery of blood.Grades 6-8 | 9-12 History-Social Science |
| Science Matters: DDT and the Modern Environmental Movement IIIn 1962 Rachel Carson animated the national conversation with "Silent Spring," an explosive book describing the environmental havoc wreaked by DDT.Grades 9-12 Science |
| Science Matters: DDT and the Modern Environmental MovementIt seemed to be a miracle: Farmers worldwide looked ahead to the prospect of lush fields of produce free of pests. All they had to do was use DDT.Grades 9-12 Science |
| IntroductionWe all need and use plants.Grades 6-8 | 9-12 Science |
| Common BeginningsExamines the importance of plants to other life on Earth. Discusses chlorophyll and the process of photosynthesis.Grades 6-8 | 9-12 Science |
| The Birth of Plant LifeExplores the origins of plant life on Earth. Discusses algae.Grades 6-8 | 9-12 Science |
| The Journey to LandExplores how plants moved from the sea to land. Examines plant evolution. Discusses the asexual reproductive process of moss and ferns.Grades 6-8 | 9-12 Science |
| Seed Plants and Flowering PlantsExamines the evolution of seed plants and flowering plants. Explains the importance of insects in the reproductive process of flowering plants through pollination and the importance of animals and wind in the reproductive process of seed plants.Grades 6-8 | 9-12 Science |
| Sci-SearchSome questions for further exploration.Grades 6-8 | 9-12 Science |
| MusclesSecond segment of Good Stress explains the types of muscles in the body, why astronauts' muscles weaken in space and some ways of taking care of your muscles. The Muscles segment describes the difference between skeletal muscle, smooth muscle, and cardiac muscle. The Muscles segment also explains the rehabilitation of astronauts returning from space.Grades 6-8 Science |
