| Sort by Title | |
|---|---|
| Science Matters: Hybrid Seed CornBy 1933 one of the most outstanding scientific breakthroughs of the 20th century was perfected for commercial production--hybrid seed corn.Grades 6-8 | 9-12 Science |
| Science Matters: Polio IIThe year 1916 marked the beginning of a polio epidemic in the United States that would not end until 1955. It did so as one of the major medical success stories of the 20th century.Grades 9-12 Science | History-Social 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 |
| Polio ISummertime in the 1930s and 1940s was exciting for children out of school, but a time of fear as well. Parents were worried their children might contract polio.Grades 6-8 | 9-12 History-Social Science |
| Polio IIThe year 1916 marked the beginning of a polio epidemic in the United States that would not end until 1955. It did so as one of the major medical success stories of the 20th century.Grades 6-8 | 9-12 History-Social Science |
