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Unit 8: Diving Environment

Physical Characteristics of a Site.

Entries and Exits.

Water Conditions.

Visibility.

Moving Water and its Effects

Marine Life.

Conservation.

Diver Impacts.

Hunting.

Collecting.

Exploring Wrecks.

Cleaning Up the Environment.

Boat Diving.

Popular Diving Areas.

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• 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:

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Physical Characteristics of a SiteThe characteristics of a site will dictate how you enter and exit the water as well as how you dive.

Type of sites:

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Entries and ExitsThe easiest diving is usually from boats, and in many situations, boat diving offers some of the best diving.

Bottom Conditions:

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Water ConditionsTemperature and visibility are probably the two most important factors in determining the ease and comfort of your dive.

Visibility: Temperature:

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Review on Water ConditionsWhat have you learned so far?

Describe a thermocline. List four items that affect visibility. Describe what diving in no visibility can cause.

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Moving Water and it’s EffectsUnderstanding what sets water into motion, how the water moves, and how to function effectively in moving water.

Waves and Surf: Tides: Currents:

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Review on Water MovementWhat have you learned so far?

List three causes of water movement.

Explain how to escape from a rip current.

Describe which direction you from a anchored boat in current.

List the two causes of tides.

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Marine LifeThe many different types of life in the underwater world make diving interesting.

Animals that bite. Animals with barbs. Animals that sting and scrape. Animals that shock.

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Review on Marine lifeWhat have you learned so far?

State which type of action from an animal results in injury to a diver.

Describe what sea urchins are an example of. Describe what jellyfish are an example of.

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ConservationAs a diver, you can have a profound effect on the underwater world.

Negative impacts: Positive impacts: Hunting:

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Conservation continuedAs a diver, you can have a profound effect on the underwater world.

Collecting: Exploring wrecks: Cleaning up the environment:

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Review on ConservationWhat have you learned so far?

List two things that can damage coral. Describe the only type of shell that you should collect. Name the animal that mistakes plastic for jellyfish.

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Boat DivingMany of the best diving sites in the world are in remote locations and can be reached only by boat.

Procedures: Commercial charter boats: Small boats: Trail line:

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Popular Dive AreasMost divers want to travel to other areas and experience new and different dive sites.

California Cozumel Gulf coast of Louisiana and

Texas Great Lakes Florida Keys Aquariums

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Diving Environment End of

Unit 8: Physical Characteristics of a

Site.

Entries and Exits.

Water Conditions.

Visibility.

Moving Water and its Effects

Marine Life.

Conservation.

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Diving Environment End of Unit 8:

continued Diver Impacts.

Hunting.

Collecting.

Exploring Wrecks.

Cleaning Up the Environment.

Boat Diving.

Popular Diving Areas.

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• 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: