Marine Biology, Oceanography and Underwater Robots Teleclass Webinar!
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1 Welcome to the Supercharged Science Marine Biology, Oceanography and Underwater Robots Teleclass Webinar! You can fill out this worksheet as we go along to get the most out of time together, or you can use it as a review exercise at the end of the class to see where your strengths are. What we re going to cover today: Mapping the ocean floor Food chain/webs Ocean Zones Phytoplankton Temperature, pressure Bioluminescence Acids and Bases, ph Properties of light Waves, currents, tides Marine plants and animals Salinity Marine environments Atmosphere Exploration techniques Photosynthesis and chemosynthesis Observing techniques Write down two things you really want to know about marine biology or oceanography: Do this NOW: Write down WHY you want to learn about the things you mentioned above. What will it give you, or provide you with, or make possible for you if you now understand these things that you wanted to learn? IMPORTANT: During class, you can either fill out the worksheet, OR if that s too stressful or a hassle, just set it aside and fill it out after class is over so you can enjoy watching the class. Answer key is on the last page, so put it in a place where you won t be tempted to peek at the answers until after you ve given it your best shot Supercharged Science Page 1
2 Material List: Cup of water Salt Hard boiled egg Paperclip Rubber band 2 glow sticks (same color) Ice water Warm hot water (not too hot) Sample of pond water (make your own by filling a cup of water with crass clippings, then let it sit on the windowsill for a few days) Gummy bear (one red and one green) Red laser pointer (inexpensive Dollar Store keychain type are perfect) Needle nose pliers (or something you can bend a paperclip with) 2015 Supercharged Science Page 2
3 During the Lesson: You can look over the worksheet so you know what to listen for as you go through the class with me, or you can go through it along with me during class. OR flip it over and forget about it and just enjoy the class. When class is over, flip it back over and fill it out and be amazed at how much you ve picked up and learned! 1. Marine Biology studies life in environments. 2. Oceanographers study, currents, waves, seafloor, composition, sea and animals. 3. Remotely Operated Vehicles are, unoccupied underwater robots that. 4. SONAR: und vigation and anging is used to identify objects in water and determine water. 5. Bathymetry is the study of the. 6. The ocean floor has and just like on land. 7. There are main three of the ocean: 2015 Supercharged Science Page 3
4 8. For every meters you descend, atmosphere of pressure is added. 9. The at the bottom of every ocean is. 10. (Circle) True or False? Water spins down a drain one way in the Northern hemisphere, and the other way in the Southern hemisphere. 11. Tides are caused by and. 12. Hydrothermal are surrounded by thriving communities of organisms that from the vents for chemosynthesis. 13. in the ocean comes from on land. 14. are organisms create for the food chain. 15. is a tiny organisms that lives in. Cyanobacteria generate over of the oxygen we breathe. 16. use chemosynthesis to make organic matter in total Supercharged Science Page 4
5 17. Bioluminescence is the by a living organism. 18. Light allows organisms and it also provides. 19. Red light has the wavelength and the amount of energy in the visible light spectrum. 20. Cephalopods their environment by matching color, texture, brightness, and pattern. 21. A supports more species than any other marine environment. 22. What I didn t know about marine biology and oceanography until class today was: 2015 Supercharged Science Page 5
6 Vocabulary Words: Aphotic Zone: the depths beyond which less than 1% of sunlight penetrates. Aquatic: operating or living or growing in water Bathysphere: spherical deep diving apparatus for underwater exploration Bioluminescence: The ability to glow in the dark; production of visible light by living organisms Camouflage: an outward semblance misrepresenting the nature of something Cephalopod: marine mollusk characterized by well developed head and eyes and suckerbearing tentacles Coriolis Effect: The idea that surface water moved by wind does not flow parallel but rather deflects to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. Crustacean: mainly aquatic arthropod usually having a segmented body Disphotic Zone: known as the twilight layer, this zone has only a small amount of light. Echolocation: determining the location of objects by reflected sound Invertebrate: any animal lacking a backbone or notochord Krill: shrimp like planktonic crustaceans Marine Biology: Marine biology is the study of marine organisms, their behaviors and interactions with the environment. Marine biologists study biological oceanography and the associated fields of chemical, physical, and geological oceanography to understand marine organisms. Medusa: one of two forms that coelenterates take: it is the free swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella shaped body and tentacles Mollusk: invertebrate with a soft unsegmented body usually in a shell Nautilus: cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions 2015 Supercharged Science Page 6
7 Oceanography: the branch of science that deals with the physical and biological properties and phenomena of the sea. Ph : shows how acidic the water level is using the ionization of water for a scale Photic Zone: is the depth of the water nearest to the surface where enough light penetrates to allow photosynthesis. Photosynthesis: synthesis of compounds in plants aided by radiant energy Phytoplankton: Single celled microscopic organisms that are found scattered throughout the photic zone Pressure: the continuous physical force exerted on or against an object by something in contact with it. Radar: a system for detecting the presence, direction, distance, and speed of aircraft, ships, and other objects, by sending out pulses of high frequency electromagnetic waves that are reflected off the object back to the source. Salinity: The total amount of dissolved salts in seawater. Measured in parts per thousand Sonar: a system for the detection of objects under water and for measuring the water's depth by emitting sound pulses and detecting or measuring their return after being reflected. Symbiosis: the relation between two interdependent species of organisms Temperature: the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch Supercharged Science Page 7
8 Answer Key: 1. Marine Biology studies life in salt water environments. 2. Oceanographers study tides, currents, waves, seafloor geology, chemical composition, sea plants and animals. 3. Remotely Operated Vehicles are tethered, unoccupied underwater robots that explore oceans. 4. SONAR: SOund NAvigation and Ranging is used to identify objects in water and determine water depth. 5. Bathymetry is the study of the seafloor. 6. The ocean floor has canyons and seamounts just like on land. 7. There are main three zones of the ocean: 8. For every 10 m you descend, 1 atmosphere of pressure is added. 9. The temperature at the bottom of every ocean is 4 o C. 10. Water spins down a drain one way in the Northern hemisphere, and the other way in the Southern hemisphere. False! 11. Tides are caused by gravity and inertia. 12. Hydrothermal vents are surrounded by thriving communities of organisms that use energy from the vents for chemosynthesis. 13. Salt in the ocean comes from rocks on land. 14. Primary producers are organisms create new organic material for the food chain. 15. Phytoplankton is a tiny organism that lives in water. Cyanobacteria generate over 50% of the oxygen we breathe. 16. Bacteria use chemosynthesis to make organic matter in total darkness. 17. Bioluminescence is the production and emission of light by a living organism. 18. Light allows organisms to see and it also provides energy. 19. Red light has the longest wavelength and the least amount of energy in the visible light spectrum. 20. Cephalopods mimic their environment by matching color, texture, brightness, and pattern. 21. A coral reef supports more species than any other marine environment Supercharged Science Page 8
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