1. Diving Environment Unit 8: Diving Environment n Physical Characteristics of a Site. n Entries and Exits. n Water Conditions. n Visibility. n Moving Water and its Effects n Marine Life. n Conservation. n Diver Impacts. n Hunting. n Collecting. n Exploring Wrecks. n Cleaning Up the Environment. n Boat Diving. n Popular Diving Areas.

2. Diving Environment State some of the characteristics of dive sites. Describe types of water movements and how they affect your dive. Describe the different categories of hazardous marine life and how to avoid situations with them. Describe how you can make a positive impact on the environment. Name some of the popular diving areas throughout the world. Student Performance: By the end of the lesson students will be able to :

3. Diving Environment Physical Characteristics of a Site The characteristics of a site will dictate how you enter and exit the water as well as how you dive. n Type of sites:

4. Diving Environment Entries and Exits The easiest diving is usually from boats, and in many situations, boat diving offers some of the best diving. n Bottom Conditions:

5. Diving Environment Water Conditions Temperature and visibility are probably the two most important factors in determining the ease and comfort of your dive. n Visibility: n Temperature:

6. Diving Environment Review on Water Conditions What have you learned so far? n Describe a thermocline. n List four items that affect visibility. n Describe what diving in no visibility can cause.

7. Diving Environment Moving Water and it’s Effects Understanding what sets water into motion, how the water moves, and how to function effectively in moving water. n Waves and Surf: n Tides: n Currents:

8. Diving Environment Review on Water Movement What have you learned so far? n List three causes of water movement. n Explain how to escape from a rip current. n Describe which direction you from a anchored boat in current. n List the two causes of tides.

9. Diving Environment Marine Life The many different types of life in the underwater world make diving interesting. n Animals that bite. n Animals with barbs. n Animals that sting and scrape. n Animals that shock.

10. Diving Environment Review on Marine life What have you learned so far? n State which type of action from an animal results in injury to a diver. n Describe what sea urchins are an example of. n Describe what jellyfish are an example of.

11. Diving Environment Conservation As a diver, you can have a profound effect on the underwater world. n Negative impacts: n Positive impacts: n Hunting:

12. Diving Environment Conservation continued As a diver, you can have a profound effect on the underwater world. n Collecting: n Exploring wrecks: n Cleaning up the environment:

13. Diving Environment Review on Conservation What have you learned so far? n List two things that can damage coral. n Describe the only type of shell that you should collect. n Name the animal that mistakes plastic for jellyfish.

14. Diving Environment Boat Diving Many of the best diving sites in the world are in remote locations and can be reached only by boat. n Procedures: n Commercial charter boats: n Small boats: n Trail line:

15. Diving Environment Popular Dive Areas Most divers want to travel to other areas and experience new and different dive sites. n California n Cozumel n Gulf coast of Louisiana and Texas n Great Lakes n Florida Keys n Aquariums

16. Diving Environment Diving Environment End of Unit 8: n Physical Characteristics of a Site. n Entries and Exits. n Water Conditions. n Visibility. n Moving Water and its Effects n Marine Life. n Conservation.

17. Diving Environment Diving Environment End of Unit 8: continued n Diver Impacts. n Hunting. n Collecting. n Exploring Wrecks. n Cleaning Up the Environment. n Boat Diving. n Popular Diving Areas.

18. Diving Environment State some of the characteristics of dive sites. Describe types of water movements and how they affect your dive. Describe the different categories of marine life and how to avoid situations with them. Describe how you can make a positive impact on the environment. Name some of the popular diving areas throughout the world. Student Performance: By the end of the lesson students will be able to :