L2 GK Sheet Week2 Science
Water Wonders & Amazing Facts Common GK Sheet - Week 2: Water & Health Systems In the style of Richard Feynman Mind-Blowing Water Facts Your Body is a Water Machine! Did you know? Your body is about 60% water. That means if you weigh 30 kg, 18 kg of you is just water! Even more amazing: Your brain is 75% water. So when you're thirsty, your brain literally needs a drink to think clearly! Why this matters for athletes: When Rohit lost just 2% of his body water, his running speed dropped by 20%. That's like losing a whole second in a 5-second race! Water's Magical Properties Fact 1: Water Defies Gravity Put a straw in water and cover the top with your finger. Pull it out - the water stays in! Water molecules hold hands so tightly they can fight gravity. Fact 2: Hot Water Freezes Faster Than Cold Water This sounds impossible, but it's true! It's called the Mpemba effect. Scientists still don't fully understand why. Feynman would say: "Nature is...