Continents and Oceans
Overview
Mr. Jeremy Rinkel
Geography of the oceans
Earth’s oceans:
• Cover 70.8% of Earth’s surface
• Are interconnected (“world ocean”)
• Have huge ...
The four principal oceans
• Pacific
• Atlantic
• Indian
• Arctic
Plus:
• Southern or
Antarctic
Ocean
Figure 1-2
Comparing oceans to the
continents
Figure 1-3
Comparing depth of the oceans
to elevation on land
Figure 1-4
Early exploration of the oceans
• Pacific
navigators
peopled
many
remote
islands
Figure 1-6
Early exploration of the oceans
• Advancements of European navigators
– Phoenicians explored the Mediterranean Sea
and bey...
Early exploration of the oceans
• The Vikings
explored the
North Atlantic
and
established
many colonies
Figure 1-7
Early exploration of the oceans
• During the Age of Discovery, Columbus
and Magellan make journeys of
exploration
Figure 1...
Early exploration of the oceans
• Voyaging for science began with English
navigator and explorer Captain James
Cook
– Mapp...
Seven continents
• What exactly is a continent?
– A continent is large landmasses on the earth’s
surface.
– North America,...
Africa
South America
Australia
Asia
Antarctica
North America
Europe
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Ocean and continents overview

  1. 1. Continents and Oceans Overview Mr. Jeremy Rinkel
  2. 2. Geography of the oceans Earth’s oceans: • Cover 70.8% of Earth’s surface • Are interconnected (“world ocean”) • Have huge size and volume (as a reservoir, contain 97% of Earth’s water)
  3. 3. The four principal oceans • Pacific • Atlantic • Indian • Arctic Plus: • Southern or Antarctic Ocean Figure 1-2
  4. 4. Comparing oceans to the continents Figure 1-3
  5. 5. Comparing depth of the oceans to elevation on land Figure 1-4
  6. 6. Early exploration of the oceans • Pacific navigators peopled many remote islands Figure 1-6
  7. 7. Early exploration of the oceans • Advancements of European navigators – Phoenicians explored the Mediterranean Sea and beyond – Pytheas developed method to determine latitude – Eratosthenes calculated circumference of Earth – Ptolemy produced map that shows known land surrounded by largely unexplored oceans
  8. 8. Early exploration of the oceans • The Vikings explored the North Atlantic and established many colonies Figure 1-7
  9. 9. Early exploration of the oceans • During the Age of Discovery, Columbus and Magellan make journeys of exploration Figure 1-8
  10. 10. Early exploration of the oceans • Voyaging for science began with English navigator and explorer Captain James Cook – Mapped many unknown islands – Determined outline of the Pacific Ocean – Sampled ocean properties – Modified shipboard diet to eliminate scurvy – Used John Harrison’s chronometer to determine longitude
  11. 11. Seven continents • What exactly is a continent? – A continent is large landmasses on the earth’s surface. – North America, South America, Europe, Asia, Africa, Australia, and Antarctica are the seven continents of Earth.
  12. 12. Africa
  13. 13. South America
  14. 14. Australia
  15. 15. Asia
  16. 16. Antarctica
  17. 17. North America
  18. 18. Europe

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