Underwater Study guides, Class notes & Summaries

Station 1. You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound X has a molecular weight of 25.3 g/mol and compound Y has a molecular mass of 156.2 g/mol. On two separate agar plates, 0.1 g of each substance were transferred and allowed to diffuse for 2 hours. The results below were obtained. Use this information about this situation to answer the following three questions. 1. Question: (CO 1) What was the independent v...

Padi Open Water Diver Final Exam Questions With 100% Correct Solutions 2024 As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep as - CORRECT ANSWER-18 metres/60 feet As you descend in water, the pressure - CORRECT ANSWER-increases A depth change of 10 metres/33 feet causes a pressure change of - CORRECT ANSWER-1 bar/ata (atmosphere) if you take 6 liters of air from the surface to 20 metres/66 feet, the volume will be - CORRECT ANSWER-2 litres (the...

PADI Underwater Navigation Knowledge Review II Study Questions 2024.Describe how to use cycle pressure to estimate distance - correct answer Tracking how much air is used as you travel a given distance Describe how to navigate a square/rectangle pattern - correct answer Swim the desired heading and distance; Stop, reset the heading for 90* turn, right (clockwise); Swim the distance, set and turn 90*; Swim the distance, set and turn 90*; Swim the distance, set and turn 90*; You will be at your...

When sailing, always be aware of the wind's ______ and _______ speed, direction The desirable force generate______. lift The direction relative to the wind in which the sailboat cannot sail is called the_______. no-sail zone Sailboats can reach an upwind destination by sailing a _______ course. zig zag The point of sail at the edge of a no-sail zone is called_________. close-hauled A boat sailing across the wind is said to be __________. reaching Sailing straight downwind is called ...

List the roles plants play in a healthy aquatic ecosystem. correct answers-producing oxygen -preventing shoreline erosion -lessening excess nutrients during growing season -stabilizing lake bottom -providing food and habitat for fish, waterfowl, and other aquatic animals List ways that excessive plant growth can adversely affect the ecology and uses of a water body. correct answers-harm ecology of aquatic ecosystem -curtail or prevent recreational water uses (e.g. fishing, boating, swim...

PADI Open Water Diver Final Exam with 100% Correct Answers 2023 As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep as - Correct Answer-18 metres/60 feet As you descend in water, the pressure - Correct Answer-increases A depth change of 10 metres/33 feet causes a pressure change of - Correct Answer-1 bar/ata (atmosphere) if you take 6 liters of air from the surface to 20 metres/66 feet, the volume will be - Correct Answer-2 litres (the density of the ...

Objects under water appear: 1: The same size as they do on land. 2: Twice as large as they do on land. 3: Closer and larger than they do on land. 4: Smaller and farther away than they do on land. - Closer and larger than they do on land. As you descend: 1: Colors appear to fade. 2: Reds and oranges are among the first colors to disappear. 3: At 30 m/99 ft, little color remains other than blues, grays, blacks and whites. 4: All of the above. - All of the above. Which of the following st...

What is the difference between a rule and a policy? - A rule applies to every person using an aquatic facility. A policy is for specific circumstances or situations that may not apply to everyone. To be effective, rules should be - Written in a clear, concise language, enforced the same way each time, and posted in a visible location. Which of the layers of protection helps guide decisions and serves as a rule for specific circumstances? - Policies and procedures. A policy that requires no...

SSI ASSISTANT INSTRUCTOR EXAM QUESTIONS AND VERIFIED ANSWERS 2024 GRADED A+. 2 / 64 1. An SSI Professional must to maintain active status. All answers are correct Complete the online renewal Pay the annual fee Affiliate with an active status SSI dive center: All answers are correct 2. The Customer Loyalty Cycles describes the process for: Acquiring and retaining customers Convincing customers to visit new dive sites Selling equipment to customers All answers are correct: Acquiring ...

Objects under water appear - Closer and larger than they do on land How much faster does sound travel in water, compared to air? - 4 times Water conducts heat away from your body - 25 times faster than air does As you descend - colors fade, reds and oranges fade first, 30 meters seem blue and gray water temp does your body need thermal protection - 86 degrees What does SCUBA mean - self-contained underwater breathing apparatus When water stratifies itself into layers, according to temperat...