1. MOTIVATION Look at the following diving equipment Wet suit Dry suit
Flippers
Face mask
Scuba tank
Snorkel
HOW IS EACH PIECE OF EQUIPMENT USED IN MARINE SCIENCE?

2. DIVING EQUIPMENT
The greeks made crude face masks to dive for ornamental shells and food. This was the earliest known instance of underwater or inner space exploration
Face mask-vision
Dry suit-stay warm and dry
Wetsuit-traps layer of water which warms to body temperature
Snorkel-breathe
Flippers-movement
Scuba-breathe
GUESS THE AIM???????

3. AIM: How can we describe the history of inner space exploration?
INSTRUCTIONAL OBJECTIVES
Describe how early divers explored underwater
Explain, briefly, how scuba gear works.
Identify a few pioneers of underwater exploration

4. HOW DID DIVING TECHNOLOGY EVOLVE OVER THE YEARS. 1
HOW DID DIVING TECHNOLOGY EVOLVE OVER THE YEARS? FACE MASK FOR CLEAR VISION

5. 2. Diving Chamber Sir Edmund Halley

6. DIVING CHAMBER A barrel with a limited air supply
Diver strapped within barrel with limited vision

7. DIVING CHAMBER VS FACE MASK
ADVANTAGES
DISADVANTAGES

8. 3. JIM SUIT/DIVING SUIT - full canvas suit - hard hat or helmet connected to air supply -dry inside suit and connected to boat by tether

10. JIM SUIT VS DIVING CHAMBER
PROS
CONS

11. 4. Aqua lung or SCUBA

12. SCUBA or aqua lung
1943 Emile Gagnon and Jacques Cousteau invented a compressed tank of air strapped to a divers back
Allowed divers time and flexibility underwater
Uses regulator and mouthpiece to control air flow
Tell SCUBA story
Tell about GENE RITTER JDHS alumni

13. SCUBA VS JIM SUIT
PROS
CONS

14. SCUBA is an acronym for self contained underwater breathing apparatus

15. SUMMARY
Advances in diving technology over the last 150 years have given people the ability to explore the oceans at greater depths, for longer periods of time, with more safety and mobility.

16. EXIT TICKET 1. Describe differences between SCUBA and JIM suit?
2. Describe Differences between diving chamber and face mask?