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 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.