About This Chapter
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- Identify which concepts are covered on your oceans homework.
- Find videos on those topics within this chapter.
- Watch fun videos, pausing and reviewing as needed.
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Topics from your homework you'll be able to complete:
- Active and passive continental margins
- Formation and features of ocean basins
- Formation of the oceanic ridge system
- Properties of ocean water
- Types of marine organisms
- Effects of ocean circulation on climate
- Characteristics of shorelines and beaches
- Effects of waves on erosion
- Contributing factors of longshore transport
- Causes and effects of tides
1. Active & Passive Continental Margins
Continental margins are areas that separate the continental crust and oceanic crust. Discover the differences between the tectonically active continental margins and the relatively quiet passive continental margins.
2. Ocean Basins: Definition, Formation, Features & Types
Ocean basins are those areas found under the sea. They can be relatively inactive areas where deposits of sediment slowly collect or active areas where tectonic plates meet. Learn how ocean basins form and about features such as oceanic ridges and trenches.
3. Oceanic Ridge System: Formation & Distribution
The oceanic ridge system is a continuous underwater mountain range with parts found in every ocean of the world. The ridge system is created when magma rising between diverging plates of the lithosphere cools and forms a new layer of crust.
4. Properties of Ocean Water
Ocean waters are salty and contain minerals and dissolved gases. They also have a high heat capacity and vary in density depending on temperature and salinity. Learn more about the unique chemical and physical properties of ocean water.
5. Types of Marine Organisms
Many marine organisms thrive under the surface of the ocean. Learn about the biodiversity of the oceans, from the microscopic plankton to the enormous whales, and how these organisms adapt to their oceanic environment.
6. Ocean Circulation: Patterns & Effect on Climate
The ocean waters are always in motion and as they travel around the globe they carry and distribute heat, which affects the global climate. Learn about the ocean circulation patterns and how they impact the climate.
7. Characteristics of Shorelines & Beaches
Shorelines and beaches are constantly changing due to forces, such as waves, winds and currents. Learn about characteristics of shorelines, including headlands, bays, beach berms, sand dunes, spits, tombolos, barrier islands and lagoons.
8. Waves: Types, Features & Effect on Erosion
There are different types of ocean waves, including wind waves, tsunamis and tidal waves. Learn the features of waves and how their erosive effect creates the unique features found on the shoreline.
9. Contributing Factors of Longshore Transport: Beach Drift & Longshore Current
The longshore transport is the process responsible for the movement of sand and sediment along the coastline. Sand and other particles are transported with the help of the longshore current and beach drift. Learn how these factors shape shorelines.
10. What Are Tides? - Causes & Effects
Tides rise and fall under the influence of the gravitational pull of the moon and sun. Learn about different tides, why they are predictable and their effects on coastal regions of the world.
11. Neritic Zone: Definition, Organisms & Climate
The neritic zone is the top-most layer of the ocean that surrounds the world's coasts. In this lesson, we'll discuss the characteristics of this zone, what lives there, and what its climate is like.
12. Advances in Limnology and Oceanography
Recent progress has been made in limnology and oceanography dealing with the interactions between ecosystems and climate change. In this lesson, we will examine the recent effects that climate change has had on the Earth's ecosystem.
13. Limnology: Lake & River Ecosystems
In this lesson you will understand the term limnology and what it encompasses. You'll also understand the meaning of the word 'ecosystem' and get an introduction to ecosystems in lakes and rivers.
14. Limnology & Oceanography Methods
In the fields of oceanography and limnology, there are many areas to study— the biological, the physical/chemical, and the geological. Many tools and methods help scientists answer a variety of questions and study these certain components. In this lesson, we will discuss some of the major areas to study in freshwater and oceans and some of the methods that are widely used.
15. What is an Ethnographic Study? - Definition & Examples
In this lesson, we'll take a closer look at one type of important qualitative research publication - ethnographic studies. We'll define what ethnographic studies are, how they are conducted, and how they contribute to various fields of study.
16. Ethnographic Analysis & Techniques
Culture is hard to define and even harder to study. In this lesson, we're going to see how an ethnographer tackles this challenge and look at the distinct techniques they employ.
17. What is Ethnographic Fieldwork? - Definition & Methods
This lesson will provide a definition of ethnographic fieldwork and the basic steps involved in this form of research. Examples of ethnographic challenges will be detailed and several controversies surrounding ethnographic field work will be explained.
18. Why is the Ocean Blue?
Have you ever wondered why the oceans are blue? In this lesson we'll explore this concept and what this has to do with wavelengths of light in the electromagnetic spectrum.
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