Welcome To EARTH!

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Welcome To EARTH!

• Here are a few things you might not have known
  about your home planet.

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Can you stand the HEAT?

• The hottest temperature recorded on planet earth
  was in El Azizia, in Libya (136 degrees F!)
• The hottest place on average is Death Valley
  California.

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Now thats COOL!

• The coldest temperature ever measured on Earth
  was -129 degrees F in Antarctica.

4
Space Dust?

• About 1,000 tons of matter enter earth from outer
  space each year. (Most of it is dust.)

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waterFALL!

• The highest water fall in the world is Angel
  Falls in Venezuela.
• Water in this fall drops 979 meters!

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Volcano!

• The largest volcano is Mauna Loa in Hawaii.
• It spews ash 9.5 miles into the air!

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Earthquake!

• The deadliest earthquake ever occurred in China
  in 1557.
• It killed 830,000 people!

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Gradual changes

• The moon gets about 4 cm further away from earth
  each year.
• Earths rotation is very gradually slowing down,
  and our days are getting a tiny bit longer.
• Earths shape is also gradually changing.

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Mount Everest

• Mount Everest is Earths highest mountain at
  29,035 feet (about 5.5 miles).

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Now thats a lotta watta!

• The longest river in the world is the Amazon
  river in South America. It is 4,225 miles long!
  (It just recently replaced the Nile, 4,160 as the
  longest.)
• The deepest lake is Lake Baikal in Siberia. Its
  a little over a mile deep.

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Lightning

• Each second about 100 lightning bolts strike the
  ground somewhere on the earth.

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Minerals

• The softest mineral in the earth is talc.
• The hardest mineral in the earth is diamond.
• Many minerals are used to make fireworks
• Strontium red
• Copper blue
• Sodium yellow
• Iron gold sparks
• Aluminum loud bangs

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Canyons

• The longest canyon in the world is the Grand
  Canyon which is 277 miles long and over a mile
  deep.

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The Blue Planet

• 97 of the water on this planet is in the ocean.
• The ocean covers 2/3 of the earths surface.
• Humans use about 400 billion gallons of water
  every day.

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A very Hot Spot!

• The center of the earth is thought to be about
  7,000 degrees F!

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All that sand

• About 1/3 of the earths surface is covered with
  deserts, but the amount of desert on earth
  increases each year.

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But youre so old!

• The earth is probably somewhere between 4.5-4.6
  billion years old.

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Mountains where?

• The largest mountain range in the world is the
  Mid-Atlantic Ridge, which is under the ocean.
  (Although Iceland is one area that this mountain
  range rises above the ocean.

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Other Earthy topics

• What are the different layers of the earth made
  from?
• Weather patterns

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Enjoy the ride?

• This unit we will discuss many cool and amazing
  things about the earth, and you may realize that
  you dont know your home planet as well as you
  thought you did ?.