Physics Facts & Trivia - Page 2
A gallon of water weighs 8.34 pounds (3.8kg). Sciensational.com If an item moves very, very fast, it becomes smaller and heavier. Minus 40 degrees Celsius is exactly the same temperature as minus 40 degrees Fahrenheit. Sciensational.com Hot water freezes quicker than cold water.
Mexico City is sinking at a rate of 18 inches (46cm) per year as a result of draining water. 1 inch (25mm) of rain water is equivalent to 15 inches (381mm) of dry, powdery snow. Sciensational.com
The greatest tide change on earth occurs in the Bay of Fundy. The difference between low tide and high tide can be as great as 16.6 meters (54 ft.) Sciensational.com |
The temperature in fahrenheit can be determined by counting the number of cricket chirps in 14 seconds and adding 40. The average ocean floor is about 3,600 meters deep (12000ft). Sciensational.com Sunlight can penetrate clean ocean water to a depth of 73 meters (240ft.) The North Atlantic gets 2.5 centimetres (1in) wider every year. Hawaii is moving toward Japan 10 centimetres (4 inches) every year. Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
When hydrogen burns in the air, water is formed.
Most gemstones contain several elements, except diamond which is all carbon. |
Lightning strikes about 6,000 times per minute on our planet. 
The only rock that floats in water is pumice. 
The oldest and largest clearly visible meteorite crater site in the world is The Vredefort Dome in Free State, South Africa. It is 380km across. 
Lake Baikal is the deepest lake in the world. 
Diamonds are the hardest known substance.