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Detecting Radiation–Geiger counters, etc.
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in: Lesson A-24. Concepts of Chemistry VII: Nuclear Chemistry and Radioactivity
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- 5 years, 8 months ago
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Half-life of radio-active elements
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- 5 years, 8 months ago
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Radioactive dating
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- 5 years, 8 months ago
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Molecules in gasoline
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- 5 years, 8 months ago
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History of the discovery of photosynthesis
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- 5 years, 8 months ago
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How do you find a dinosaur? (TED Talk)
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- 5 years, 8 months ago
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Creation of the Grand Canyon video
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in: Lesson D-8. Rocks and Fossils
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- 5 years, 8 months ago
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Neutralizing acidity with lime
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- 5 years, 8 months ago
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Contrast ionic and covalent bonding- video
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- 5 years, 8 months ago
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Metallic Bonding
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- 5 years, 8 months ago
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Periodic table of elements
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- 5 years, 8 months ago
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Plasma, A Fourth State of Matter
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- 5 years, 8 months ago
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- 5 years, 9 months ago
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Detecting Radiation–Geiger counters, etc.