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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: 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 |
| 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: 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 |
