Physics Facts & Trivia - Page 3
Sunlight can penetrate clean ocean water to a depth of 73m (240ft) Sciensational.com
The North Atlantic gets 2.5cm (1in) wider every year. Sciensational.com
Hawaii is moving toward Japan 10cm (4in) every year. Sciensational.com
Due to gravitational effects, you weigh slightly less when the Moon is directly overhead. Sciensational.com
Lake Baikal is the deepest lake in the world.
When hydrogen burns in the air, water is formed. Sciensational.com
Diamonds are the hardest known substance.
Most gemstones contain several elements, except diamond which is all carbon. Sciensational.com
When glass breaks, the cracks move at speeds of more than 4,500km/h (3,000mi).
If you could throw a snowball fast enough, it would totally vaporize when it hit a brick wall. Sciensational.com
On a clear day, a beam of sunlight can be reflected off a mirror and seen up to 40km away. Sciensational.com
At the ocean's deepest point, due to immense pressure, an iron ball would take more than an hour to sink to the ocean floor. Sciensational.com
There is enough fuel in a full tank of a jumbo jet to drive an average car around the world four times.
A car travelling at 80km/h uses half its fuel to overcome wind resistance. Sciensational.com