1. The Ocean Deep or What is “Inner Space”?

2. ObjectivesObjectives Students will be able to : Describe how the early divers explored underwater. Describe how the early divers explored underwater. Explain briefly how scuba gear works. Explain briefly how scuba gear works. Identify a few pioneers of underwater exploration. Identify a few pioneers of underwater exploration. Students will be able to : Describe how the early divers explored underwater. Describe how the early divers explored underwater. Explain briefly how scuba gear works. Explain briefly how scuba gear works. Identify a few pioneers of underwater exploration. Identify a few pioneers of underwater exploration.

3. Do Now Observe various scuba gear: Describe what you think each piece of equipment is used for. Describe what you think each piece of equipment is used for. Describe vision underwater, with and without a mask. Describe vision underwater, with and without a mask. Observe various scuba gear: Describe what you think each piece of equipment is used for. Describe what you think each piece of equipment is used for. Describe vision underwater, with and without a mask. Describe vision underwater, with and without a mask.

4. AIMAIM What is known about the history of inner space exploration? 4500 years ago the ancient Greeks using newly developed glass, made facemasks and used them to dive for ornamental shells. What is known about the history of inner space exploration? 4500 years ago the ancient Greeks using newly developed glass, made facemasks and used them to dive for ornamental shells.

5. Question?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. 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? Put on a face mask and try again, is it easier? Why? 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. 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? Put on a face mask and try again, is it easier? Why?

6. How has Diving Technology evolved over the years? The diving chamber was invented, it was a huge barrel that contained a limited supply of air! The diving chamber was invented, it was a huge barrel that contained a limited supply of air! 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. 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. SCUBA - s elf c ontained u nderwater b reathing a pparatus was developed by Jacques Cousteau and his partner Emil Gagnan in 1942. It allowed for greater movement and freedom underwater. SCUBA - s elf c ontained u nderwater b reathing a pparatus was developed by Jacques Cousteau and his partner Emil Gagnan in 1942. It allowed for greater movement and freedom underwater. The diving chamber was invented, it was a huge barrel that contained a limited supply of air! The diving chamber was invented, it was a huge barrel that contained a limited supply of air! 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. 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. SCUBA - s elf c ontained u nderwater b reathing a pparatus was developed by Jacques Cousteau and his partner Emil Gagnan in 1942. It allowed for greater movement and freedom underwater. SCUBA - s elf c ontained u nderwater b reathing a pparatus was developed by Jacques Cousteau and his partner Emil Gagnan in 1942. It allowed for greater movement and freedom underwater.

7. Diving Chamber

8. Diving Suit

9. SCUBASCUBA

10. SummarySummary Advances in technology, especially in the past 150 years, have given people the ability to explore the ocean: at greater depths at greater depths for longer periods of time for longer periods of time with more safety and mobility with more safety and mobility Advances in technology, especially in the past 150 years, have given people the ability to explore the ocean: at greater depths at greater depths for longer periods of time for longer periods of time with more safety and mobility with more safety and mobility

11. HWHW Read pages 15 (bottom)- 20. Read pages 15 (bottom)- 20. Answer section review questions 1-3 on page 20. Answer section review questions 1-3 on page 20. Read pages 15 (bottom)- 20. Read pages 15 (bottom)- 20. Answer section review questions 1-3 on page 20. Answer section review questions 1-3 on page 20.