The Ocean Deep The Ocean Deep or or

What is “Inner What is “Inner Space”?Space”?

The Ocean Deep The Ocean Deep or or

What is “Inner What is “Inner Space”?Space”?

ObjectivesObjectivesObjectivesObjectivesStudents will be able to :Students will be able to :• Describe how the early Describe how the early divers explored underwater.divers explored underwater.

• Explain briefly how scuba Explain briefly how scuba gear works.gear works.

• Identify a few pioneers of Identify a few pioneers of underwater exploration.underwater exploration.

Students will be able to :Students will be able to :• Describe how the early Describe how the early divers explored underwater.divers explored underwater.

• Explain briefly how scuba Explain briefly how scuba gear works.gear works.

• Identify a few pioneers of Identify a few pioneers of underwater exploration.underwater exploration.

Do NowDo NowDo NowDo NowObserve various Observe various scuba gear:scuba gear:

• Describe what Describe what you think you think each piece of each piece of equipment is equipment is used for.used for.

• Describe Describe vision vision underwater, underwater, with and with and without a without a mask.mask.

Observe various Observe various scuba gear:scuba gear:

• Describe what Describe what you think you think each piece of each piece of equipment is equipment is used for.used for.

• Describe Describe vision vision underwater, underwater, with and with and without a without a mask.mask.

AIMAIMAIMAIMWhat is known about What is known about the history of inner the history of inner space exploration?space exploration?

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

What is known about What is known about the history of inner the history of inner space exploration?space exploration?

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

Question?Question?Question?Question?How difficult is it to How difficult is it to see underwater without see underwater without a facemask?a facemask?

• Try to see if you can Try to see if you can tell how much change is tell how much change is at the bottom of the at the bottom of the tank without a face tank without a face mask.mask.

• Put on a face mask and Put on a face mask and try again, is it try again, is it easier? Why?easier? Why?

How difficult is it to How difficult is it to see underwater without see underwater without a facemask?a facemask?

• Try to see if you can Try to see if you can tell how much change is tell how much change is at the bottom of the at the bottom of the tank without a face tank without a face mask.mask.

• Put on a face mask and Put on a face mask and try again, is it try again, is it easier? Why?easier? Why?

How has Diving How has Diving Technology evolved Technology evolved over the years?over the years?

How has Diving How has Diving Technology evolved Technology evolved over the years?over the years?• The The diving chamberdiving chamber was invented, it was invented, it

was a huge barrel that contained a was a huge barrel that contained a limited supply of air!limited supply of air!

• The The Diving SuitDiving Suit (1873)was made of (1873)was made of watertight canvas and had a heavy watertight canvas and had a heavy metal helmet. Air was pumped from the metal helmet. Air was pumped from the surface through a tube into the surface through a tube into the helmet. helmet.

• SCUBASCUBA- - sself elf ccontained ontained uunderwater nderwater bbreathing reathing aapparatus was developed by pparatus was developed by Jacques CousteauJacques Cousteau and his partner and his partner EmilEmil GagnanGagnan in 1942. It allowed for in 1942. It allowed for greater movement and freedom greater movement and freedom underwater.underwater.

• The The diving chamberdiving chamber was invented, it was invented, it was a huge barrel that contained a was a huge barrel that contained a limited supply of air!limited supply of air!

• The The Diving SuitDiving Suit (1873)was made of (1873)was made of watertight canvas and had a heavy watertight canvas and had a heavy metal helmet. Air was pumped from the metal helmet. Air was pumped from the surface through a tube into the surface through a tube into the helmet. helmet.

• SCUBASCUBA- - sself elf ccontained ontained uunderwater nderwater bbreathing reathing aapparatus was developed by pparatus was developed by Jacques CousteauJacques Cousteau and his partner and his partner EmilEmil GagnanGagnan in 1942. It allowed for in 1942. It allowed for greater movement and freedom greater movement and freedom underwater.underwater.

Diving ChamberDiving ChamberDiving ChamberDiving Chamber

Diving SuitDiving SuitDiving SuitDiving Suit

SCUBASCUBASCUBASCUBA

SummarySummarySummarySummaryAdvances in technologyAdvances in technology, , especially in the past 150 especially in the past 150 years, have given people the years, have given people the ability to explore the ocean:ability to explore the ocean:

• at greater depthsat greater depths• for longer periods of timefor longer periods of time• with more safety and mobilitywith more safety and mobility

Advances in technologyAdvances in technology, , especially in the past 150 especially in the past 150 years, have given people the years, have given people the ability to explore the ocean:ability to explore the ocean:

• at greater depthsat greater depths• for longer periods of timefor longer periods of time• with more safety and mobilitywith more safety and mobility

HWHWHWHW•Read pages 15 Read pages 15 (bottom)- 20. (bottom)- 20.

•Answer section Answer section review questions review questions 1-3 on page 20.1-3 on page 20.

•Read pages 15 Read pages 15 (bottom)- 20. (bottom)- 20.

•Answer section Answer section review questions review questions 1-3 on page 20.1-3 on page 20.