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