100 High-Yield General Science Concepts

• Newton's Laws: 1st Law (Inertia), 2nd Law (F = ma), 3rd Law (Action & Reaction). • SI Units: Force (Newton), Work/Energy (Joules), Power (Watt), Pressure (Pascal), Frequency (Hertz). • Mirrors: Concave mirror is used by dentists and in headlights (converging). Convex mirror is used as a rear-view mirror in vehicles (diverging, wide field of view).

• Baking Soda: Sodium Bicarbonate (NaHCO3) • Washing Soda: Sodium Carbonate (Na2CO3.10H2O) • Bleaching Powder: Calcium Hypochlorite (Ca(OCl)2) • Plaster of Paris: Calcium Sulfate Hemihydrate (CaSO4.1/2H2O) • Important Ores: Bauxite (Ore of Aluminum), Haematite (Ore of Iron), Cinnabar (Ore of Mercury).

• Blood: Connective tissue, pH is approximately 7.4. RBC lifespan is 120 days. WBC is the immune system protection. • Vitamins Deficiency: Vitamin A (Night blindness), Vitamin B1 (Beriberi), Vitamin C (Scurvy), Vitamin D (Rickets), Vitamin K (Delayed blood clotting). • Glands: Liver is the largest gland. Pancreas is a mixed gland (both endocrine and exocrine).