'Ocean water' presentation slideshows

This lecture will help you understand:

The marine environment Major marine ecosystems Human uses of marine resources Human impacts on the marine environment The state of ocean fisheries Marine protected areas and reserves. This lecture will help you understand:. Schooling Marine fish. Central Case: collapse of the cod fisheries.

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DENSITY

DENSITY. Introduction. What is density?. Density is a comparison of how much matter there is in a certain amount of space. Which one is more dense?. Demonstration: People in a square How about this: Which square is more dense?. Which one is more dense?. Now which one is more dense?.

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For Free Science Videos for Kids

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How Minerals Form

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Catastrophic Events and their impact on the Earth

Catastrophic Events and their impact on the Earth. Key Understandings and Questions. Catastrophic events can change the Earth. What are some natural catastrophic events that can cause changes to the Earth?

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Solutions and Solubility

Solutions and Solubility. April 1, 2004 BY: BRIANNA SHIELDS. DO NOW. 1. A mixture that is homogeneous throughout but cloudy is most likely what type of mixture? 2. A substance that is made when several elements are chemically combined is known as?

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Gyres and Currents

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Vocabulary

Vocabulary. Moon, Earth, Sun. System. A collection of parts working together to perform a job. State of Equilibrium. When the parts work together and the system is stable. Cycle. A series of events that happen one after another in the same order, over and over again . Gravity.

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Survival in an Estuary

Survival in an Estuary. Life in a Transition Zone.

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Chapter 5 Homework

Chapter 5 Homework. Notes pg. 99-107. Cells are found in all organisms and are the basic units of life. Cell Theory CR #1 All life is made of cells OR Cells are the units of structure and function in all organisms All cells come from preexisting cells

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Properties of Ocean Water

Properties of Ocean Water. Chemical Properties of Ocean Water. Determines composition Enables it to dissolve other substances. Physical Properties of Ocean Water. Temperature Density Color. Elements in the Ocean. Chlorine Sodium Magnesium Sulfur Calcium Potassium.

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Oceanography

Oceanography. Four main branches of Oceanography:. Physical Chemical Life Movements of the Oceans. Physical Oceanography. -includes all the physical features that make up the oceans. -examples: continental shelf, slope, and rise; trenches, abyssal plains, ridges, and seamounts.

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Echinoderms

Echinoderms. Basic Features. Spiny skinned animals Spines project through thin skin Well developed organ systems Water pumping system w/ internal canals Tube feet at ends. Tube Feet. Basic Features. Coelum Radial symmetry Larvae = bilateral Closest vertebrate relative

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The Ocean

The Ocean. Ocean Water (ch. 17.1). We depend on ocean for: Food & resources Acts as barrier between continents. Origin of Oceans. 4 billion years ago, Earth was full of volcanoes that released CO 2 , hydrogen, water vapor, and other gases into atmosphere.

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Have you ever been to a tide pool? What makes a tide pool a tide pool?

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Water Conservation

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Earth's Available Water

Earth's Available Water. Percentages. Oceans 97.2% All icecaps/glaciers 2.0% Groundwater 0.62% Freshwater lakes 0.009% Inland seas/salt lakes 0.008% Atmosphere 0.001% All Rivers 0.0001% Total 99.8381%. For Humans.

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