Physics Facts & Trivia - Page 3

The average ocean floor is about 3,600 m deep (12000 ft).
Sunlight can penetrate clean ocean water to a depth of 73 m (240 ft)
lightning bolt The lightning bolt is 3 times hotter than the Sun. Submitted by: Jieian
The North Atlantic gets 2.5 cm (1 in) wider every year.
Hawaii is moving toward Japan 10 cm (4 in) every year.sciensational.com
Due to gravitational effects, you weigh slightly less when the Moon is directly overhead.
Lake Baikal Lake Baikal is the deepest lake in the world.
When hydrogen burns in the air, water is formed.
diamond Diamonds are the hardest known substance.
Most gemstones contain several elements, except diamond which is all carbon.sciensational.com
The Earth weighs 6.6 sextillion tons, or 5.97 x 1024 kg. Submitted by: Jessie
Sound travels about 4 times faster in water than in air. Submitted by: Refath - New York, United States
When glass breaks, the cracks move at speeds of more than 4,500 km/h (3,000 mi/h).
If you could throw a snowball fast enough, it would totally vaporize when it hit a brick wall.
On a clear day, a beam of sunlight can be reflected off a mirror and seen up to 40 km 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.
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 80 km/h uses half its fuel to overcome wind resistance.