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| Intelligent Design vs. EvolutionIn the first decade of the twenty-first century, attempts by community groups to mandate the teaching in public schools of intelligent design alongside evolution seemed to introduce a new concept into education. In reality, it was just another chapter in the centuries-long debate on whether faith can control or even make a contribution in scientific inquiry.Grades 6-8 | 9-12 Science |
| 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: 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: Fritz Haber and the Nitrogen Cycle IIIn the early 20th century German chemist Fritz Haber developed the process leading to the creation of synthetic nitrogen. His brilliant innovation, however, is very much a double-edged sword.Grades 6-8 | 9-12 Science |
| Science Matters: Fritz Haber and the Nitrogen CycleBy 1900, world population was beginning to outstrip agricultural capacity. Farmers could not grow enough to feed the people. Then Fritz Haber solved the nitrogen problem.Grades 6-8 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 |
