LANDFORM & WATER LANDFORM & WATER FEATURESFEATURES

Continents:Continents:

How many continents are there?How many continents are there? What are their names?What are their names? What was the name of the 1 gigantic What was the name of the 1 gigantic

continent believed to exist before the “big continent believed to exist before the “big bang”?bang”?

Map of the WorldMap of the World

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Continents:Continents: North AmericaNorth America South AmericaSouth America EuropeEurope AsiaAsia AfricaAfrica AustraliaAustralia AntarcticaAntarctica

IsthmusIsthmus- - a narrow piece of land that a narrow piece of land that connects two larger pieces of landconnects two larger pieces of land

Major Landforms:Major Landforms:

The earth has 4 major types of land forms.The earth has 4 major types of land forms. Mountains:Mountains: Largest in height, 2 steep sides, Largest in height, 2 steep sides,

minimum of 1000 feet in elevationminimum of 1000 feet in elevation Hills:Hills: Gradually rounded. Gradually rounded. Plateaus:Plateaus: Higher than surrounding land and Higher than surrounding land and

usually has a cliff (kind of looks like a table usually has a cliff (kind of looks like a table top) Only has 1 steep side.top) Only has 1 steep side.

Plains:Plains: Flat areas with very little relief (or Flat areas with very little relief (or elevation). Costal plains have even less elevation). Costal plains have even less elevation than Interior plains.elevation than Interior plains.

Secondary Landforms:Secondary Landforms:

Peninsula:Peninsula: A continent that is surrounded A continent that is surrounded by water on 3 sides.by water on 3 sides.

Archipelago:Archipelago: A group of closely A group of closely scattered islands.scattered islands.

Continental Shelf:Continental Shelf: Underwater extension Underwater extension of a continent. of a continent.

Water Features:Water Features:

Oceans:Oceans:

How many oceans are there in the world?How many oceans are there in the world? How many can you name?How many can you name? Which one is closest to you from where Which one is closest to you from where

you are sitting now?you are sitting now?

Oceans:Oceans:

PacificPacific AtlanticAtlantic IndianIndian ArcticArctic

Pacific Ocean is the largest.Pacific Ocean is the largest.

Seas, Gulfs, & Bays:Seas, Gulfs, & Bays:

They are smaller than oceans but still salt They are smaller than oceans but still salt water.water.

Mediterranean Sea is the earth’s largest.Mediterranean Sea is the earth’s largest. Salt water can not be consumed. It is very Salt water can not be consumed. It is very

difficult to turn saltwater into freshwater.difficult to turn saltwater into freshwater.

Lakes, Streams,& RiversLakes, Streams,& RiversMost lakes, streams, and rivers contain Most lakes, streams, and rivers contain

freshwater.freshwater.Lakes do not have fast flowing water.Lakes do not have fast flowing water.StreamsStreams- small body of water flowing - small body of water flowing

through land.through land.RiversRivers- a number of streams combined form - a number of streams combined form

a river.a river.Early settlements were along Lakes and Early settlements were along Lakes and

rivers to tap into the freshwater source.rivers to tap into the freshwater source. BrackishBrackish- where freshwater meets saltwater - where freshwater meets saltwater

(the mix of the two)(the mix of the two) Ex. Where the Mississippi meets the Gulf of MexicoEx. Where the Mississippi meets the Gulf of Mexico

Earth’s Highs and LowsEarth’s Highs and Lows

Earth’s HighsEarth’s Highs

The highest part on The highest part on the earth is the earth is Mt. Mt. EverestEverest in Nepal in Nepal (Asia) which is about (Asia) which is about 29,000 ft. above sea 29,000 ft. above sea level.level.

Earth’s LowsEarth’s Lows The lowest point is The lowest point is

the the Dead SeaDead Sea in in Israel which is about Israel which is about 1,300 ft. below sea 1,300 ft. below sea level.level.

The dead sea is 9X The dead sea is 9X saltier than any body saltier than any body of water in the world.of water in the world.

Marine life can not Marine life can not survive. survive.

People become very People become very buoyant (floatable) in buoyant (floatable) in the dead sea.the dead sea.

Earth’s DepthsEarth’s Depths

The deepest part of The deepest part of the earth is the the earth is the Mariana TrenchMariana Trench off off the coast of Japan in the coast of Japan in the Pacific Ocean the Pacific Ocean which is about 36,000 which is about 36,000 ft. below sea level. ft. below sea level.