Quick Reference Library

🔬 Scientific Instruments 10 instruments and what they measure. 10 items 🪐 Solar System Planets, comets, and celestial features. 8 items 🌌 Space Mechanics Light year, AU, escape velocity, and more. 7 items 🌤 Atmosphere & Environment Layers, gas composition, ozone, and acid rain. 7 items 🧪 Chemical Compounds Common names, formulas, and chemical names. 7 items 💨 Gases & States of Matter Key gases, sublimation, and plasma facts. 6 items ⚙️ Metallic Elements Metal properties, alloys, and processes. 7 items ☪️ Muslim Pioneers Islamic Golden Age scientists and their contributions. 6 items 🏥 Medical Pioneers Vaccines, penicillin, blood groups, and DNA. 6 items ⚛️ Physics Giants Newton, Einstein, Faraday, Curie, and more. 8 items