FUN SCIENCE FACTS 4

Here are more facts you might find interesting:

Hydrofluoric acid will dissolve glass.

In a full grown rye plant, the total length of roots may reach 380 miles (613 km).
In a full grown rye plant, the total length of fine root hairs may reach 6600 miles
(10,645 km).

A large sunspot can last for about a week.

If you could throw a snowball fast enough, it would totallyvaporize when it hit a brick wall.

Boron nitride (BN) is the second hardest
substance known to man.

The female Tarantula Hawk wasp paralyzes a large spider with her sting. She then lays her eggs on the motionless body so that her developing young have a fresh supply of spider meat to feed on.

The seeds of an Indian Lotus tree remain
viable for 300 to 400 years.

The only letter not appearing on the
Periodic Table is the letter “J”.

Velcro was invented by a Swiss guy who
was inspired by the way burrs attached to
clothing.

Hershey’s Kisses are called that because
the machine that makes them looks like it’s kissing the conveyor belt.

October 10 is National Metric Day.

If you stretch a standard Slinky out flat it
measures 87 feet long.

The microwave was invented after a
researcher walked by a radar tube and a
chocolate bar melted in his pocket.

Super Glue was invented by accident. The
researcher was trying to make optical coating materials, and would test their properties by putting them between two prisms and shining light through them. When he tried the cyano-acrylate, he couldn’t get the prisms apart.

No matter its size or thickness, no piece of paper can be folded in half more than 7 times.

A car traveling at 80 km/h uses half its fuel to overcome wind resistance.

Knowledge is growing so fast that ninety per cent of what we will know in fifty years time, will be discovered in those fifty years.

According to an old English system of time units, a moment is one and a half minutes.

The typewriter was invented in 1829, and
the automatic dishwasher in 1889.

The wristwatch was invented in 1904 by
Louis Cartier.

When glass breaks, the cracks move at
speeds of up to 3,000 miles per hour.

By raising your legs slowly and laying on
your back, you can’t sink in quicksand.

Ten minutes of one hurricane contains
enough energy to match the nuclear stockpiles of the world.

Most gemstones contain several elements. The exception? The diamond. It’s all carbon.

Diamonds are the hardest substance
known to man.

Which of the 50 states has never had an
earthquake? North Dakota.

When hydrogen burns in the air, water is
formed.

Sterling silver contains 7.5% copper.

Cars were first made with ignition keys in
1949.

J.B Dunlop was first to put air into tires.

Alexander Graham Bell, who invented the telephone, also set a world water-speed record of over seventy miles an hour at the age of seventy two.

It is energy-efficient to turn off a fluorescent light only if it will not be used
again within an hour or more. This is because of the high voltage needed to turn it on, and the shortened life this high voltage causes.

The Earth’s equatorial circumference
(40,075 km) is greater than its polar circumference (40,008 km).

Lake Baikal is the deepest lake in the
world.

Due to gravitational effects, you weigh
slightly less when the moon is directly
overhead.

The Earth’s average velocity orbiting the
sun is 107,220 km per hour.

There is a high and low tide because of our moon and the Sun.

The United States consumes 25% of all the world’s energy.

Flying from London to New York by
Concord, due to the time zones crossed,
you can arrive 2 hours before you leave.

Credit: http://www.hightechscience.org/funfacts.htm

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