The Ocean Deep or What is Inner Space? - PowerPoint PPT Presentation

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The Ocean Deep or What is Inner Space?

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The Ocean Deep or What is Inner Space ? Do Now What do you think each piece of equipment is used for? Question? How difficult is it to see underwater without a ... – PowerPoint PPT presentation

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Title: The Ocean Deep or What is Inner Space?


1
The Ocean Deep or What is Inner Space?
2
Do Now
  • What do you think each piece of equipment is used
    for?

3
Question?
  • How difficult is it to see underwater without a
    facemask?
  • Try to see if you can tell how much change is at
    the bottom of the tank without a face mask.
  • Put on a face mask and try again, is it easier?
    Why?

4
History of Diving
  • 4500 years ago the ancient Greeks, using newly
    developed glass, made facemasks and used them to
    dive for ornamental shells.

5
Diving Chamber
  • The diving chamber was a huge barrel that
    contained a limited supply of air!
  • It was attached to a ship, limited movement.

6
Diving Suit
  • The Diving Suit (1873)was made of watertight
    canvas and had a heavy metal helmet. Air was
    pumped from the surface through a tube into the
    helmet.
  • Limited movement, still attached to the ship.

7
12 Steps to Honor
8
The History of Diving
9
SCUBA
  • SCUBA- self contained underwater breathing
    apparatus was developed by Jacques Cousteau and
    his partner Emil Gagnan in 1942. It allowed for
    greater movement and freedom underwater.

10
Jacques Cousteau
11
SCUBA Gear
12
Summary
  • Advances in technology, especially in the past
    150 years, have given people the ability to
    explore the ocean
  • at greater depths
  • for longer periods of time
  • with more safety and mobility

13
Class Work
  • Read pages 15 (bottom)- 20.
  • Answer section review questions 1-3 on page 20.
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