About This Chapter
Intro to Earth's Hydrosphere - Chapter Summary
For a thorough overview of the Earth's hydrosphere, simply work through these engaging video and text-based lessons. Taught by expert science instructors, this chapter helps you quickly refresh your understanding of the Earth's water systems and the hydrologic cycle. You'll also look intriguing facts about different bodies of water around the world. Upon completion of the chapter, you should be able to:
- Outline the entire hydrologic cycle
- Describe the characteristics of the Earth's oceans, seas, gulfs, lakes and rivers
- Discuss the geological role of groundwater systems
- Compare types of glaciers, identify glaciation periods and recognize glacial deposition results
- Assess the characteristics of shorelines, beaches and estuaries
- Explain how barrier islands are formed
The chapter is available to study online at any time that fits your schedule. In addition to the lessons, the chapter comes equipped with short self-assessments to help you remember key concepts and definitions. You can print out the lesson transcripts for offline reference, and if you have any questions along the way, simply use the chapter's handy Ask the Expert feature.
1. The Hydrologic Cycle: Definition, Process & Diagram
The hydrologic, or water, cycle describes the storage and movement of all water on Earth. This lesson will cover the different reservoirs where water can be stored and how it moves between them.
2. The Earth's Oceans, Seas & Gulfs
After watching this video, you will be able to explain what oceans, seas and gulfs are and point out some of the most well-known ones on a world map. A short quiz will follow.
3. Lakes: Definition & Facts
Learn about the different types of lakes, from glacier lakes to oxbow lakes, and how they are formed. Explore how lakes are part of every ecosystem and found on every continent.
4. Rivers: Definition & Explanation
Explore rivers and how they develop from small streams to swiftly flowing rapids. Learn about how rivers shape the land around them, creating canyons, flood plains and deltas.
5. Groundwater System: Definition & Geological Role
Surprisingly, most of Earth's liquid freshwater is not where you might think! In this video lesson, you will learn about groundwater, as well as the important roles it plays in sustaining life and shaping Earth.
6. What Are Glaciers? - Definition, Types & Processes
Learn about the two major types of glaciers: continental and alpine glaciers. These glaciers shape the landscape around them and affect our everyday lives, even if the nearest glacier is thousands of miles away.
7. Glaciation: Definition, Periods & Causes
In this lesson, we explore glaciation. Referring to the movement and formation of glaciers, glaciation has played an important role in human history, including allowing for the implementation of one of humanity's most important practices.
8. Glacial Deposition: Definition & Results
As glaciers move and retreat, they push and drop rocks and sediments in a process known as glacial deposition. Learn about this glacial process and the interesting landforms that result from it, including moraines, erratics and drumlins, in this lesson.
9. 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.
10. Barrier Islands: Formation, Shape & Location
In this lesson, we'll define barrier islands and learn how they form. We'll also look at how these types of islands, unlike other islands, can suddenly change shape or shift location over time. Lastly, we'll cover why these land masses are important to coastal areas.
11. Estuary: Definition, Facts, Characteristics & Examples
Have you ever gone swimming, kayaking, or exploring in a marshy coastal area? If so, you were enjoying the natural beauty of an estuary, a place where rivers meet large bodies of water. These unique ecosystems are important, but also under threat.
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Other chapters within the NES General Science (311): Practice & Study Guide course
- NES General Science: Scientific Inquiry
- NES General Science: Science & Society
- Overview of Atoms & Atomic Theory
- Understanding States of Matter
- Chemical Formulas & Bonds
- NES General Science: The Mole Concept
- NES General Science: Chemical Reactions
- NES General Science: Solutions & Solubility Factors
- Energy Transformations of Matter
- Overview of Force & Motion
- Mechanical & Electromagnetic Waves
- Basics of Electricity & Magnetism
- Intro to Cellular Biology
- NES General Science: Traits of Living Organisms
- Overview of Human Body Systems
- Principles of Genetics
- NES General Science: Evolution
- NES General Science: Ecosystems
- NES General Science: Rocks & Minerals
- NES General Science: Historical Geology
- Overview of Weathering & Erosion
- NES General Science: Plate Tectonics
- Basics of the Atmosphere, Weather & Climate
- Overview of the Solar System & Universe
- NES General Science Flashcards