About This Chapter
Understanding Water's Role on Earth - Chapter Summary
This chapter offers a quality overview of the role water plays on Earth. Use our lessons to ensure you understand the water cycle, causes and effects of tides, properties of ocean water, the impact of erosion and deposition on landforms and more. After completing this chapter, you will be ready to do the following:
- List and describe types and features of waves
- Define and discuss types of ocean currents
- Describe the characteristics of ocean zones
- Identify and discuss types of marine organisms
- Explain the patterns of ocean circulation
- Share details about the relationship between El Nino and La Nina
- Provide the definition and discuss the process of desalination
Each lesson in this chapter is accompanied by a short quiz you can take to find out how well you understand concepts covered. If you need help clarifying details presented in the lessons, feel free to send your questions to our experts. Before the day of your test, check your overall comprehension of this chapter by taking our practice exam. These study materials are accessible 24 hours a day using any smartphone, tablet or computer you choose.
1. 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.
2. 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.
3. 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.
4. What are Ocean Currents? - Definition & Types
Currents are responsible for circulating water throughout the earth's oceans. This lesson will discuss surface ocean currents, deep water ocean currents, and the forces that drive them.
5. Characteristics of Different Ocean Zones
The oceans can be divided into horizontal and vertical zones. These divisions help us better understand the characteristics of these vast bodies of water. Learn what these zones are in this lesson.
6. 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.
7. The Water Cycle: Precipitation, Condensation, and Evaporation
This lesson discusses the processes water takes as it moves around the Earth in the water cycle. You'll get an in-depth look at condensation, precipitation, and evaporation.
8. 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.
9. Effect of Erosion and Deposition on Landforms
Landforms are constantly being broken down and reformed by the processes of weathering, erosion, and deposition. In this lesson, we explore chemical and physical weathering and how the face of the earth gets changed.
10. The Relationship Between El Nino & La Nina
In this video lesson, you will learn about El Niño and La Niña. You will understand the differences between them, as well as some of their effects on both ocean waters and weather patterns on land.
11. Desalination: Definition & Process
Desalination is a water treatment process that turns salt water into fresh water. Learn why this could be useful, and examine the two broad processes involved in desalination systems.
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