About This Chapter
Land, Water and Atmospheric Systems - Chapter Summary
This online chapter on land, water and atmospheric systems can teach you about internal and external forces that shape Earth's surface. Through our brief video lessons, you can explore natural factors that determine a region's climate, as well as atmospheric causes and climatic effects of global warming. Other topics covered in this chapter include the following:
- The water cycle: precipitation, condensation and evaporation
- Cycles of matter: the nitrogen and carbon cycles
- Effect of erosion and deposition on landforms
- How a landform diagram describes the geological progression of a landscape
- Earthquakes and volcanoes: evidence of Earth's inner layers
- Rock cycle: igneous, sedimentary and metamorphic rocks
- Alfred Wegener's theory of continental drift
- Evidence for the mechanism of continental drift
- Causes of tectonic plate movement
- Plate boundaries: convergent, divergent and transform boundaries
Our engaging video lessons on land, water and atmospheric systems were designed by experienced professional educators. To make learning even easier, each video has tags to take you to the main points. Additionally, many of the transcripts that accompany the videos feature links to some of our other lessons, so you can explore key terms and concepts in greater depth. Each lesson also includes a self-assessment quiz to help you measure your proficiency in regards to land, water and atmospheric systems.
1. The Dynamic Earth: Internal & External Forces that Shape Earth's Surface
There are many geologic processes that shape the surface of the Earth. Not only do they build and destroy a variety of landscapes, but they also give us clues to the interior of the Earth and the forces that exist there.
2. Temperature, Clouds, Wind & Humidity on the Atmospheric Cycle
Weather is the current state of the atmosphere and is determined by factors like temperature, pressure and humidity. These factors that cause periodic changes in the Earth's air masses are explored in this lesson.
3. Natural Factors That Determine a Region's Climate
Climate is influenced by factors like atmosphere, ocean currents, landforms and plate tectonics. This lesson explains how these effects affect our weather patterns, which determine climate.
4. Global Warming: Atmospheric Causes and Effect on Climate
Global warming is a multifaceted, complex issue. It involves both natural and human causes that can increase the amount of greenhouse gases. This lesson looks at some of the facts about global warming and how they could contribute to climate change.
5. 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.
6. Cycles of Matter: The Nitrogen Cycle and the Carbon Cycle
Matter is constantly cycled between living and nonliving parts of the environment. Processes like photosynthesis and nitrogen fixation allow the carbon and nitrogen cycles to regenerate needed substances by recycling Earth's atoms.
7. 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.
8. How a Landform Diagram Describes the Geological Progression of a Landscape
This lesson describes what a landform diagram is. We'll also discuss some basic laws of geology that can help scientists deduce both the order of events that create a landform and the geologic events that occur after a landform's formation.
9. Earthquakes and Volcanoes: Evidence of Earth's Inner Layers
The interior layers of the earth are not able to be observed directly, so scientists need to rely on other information to learn about it. S waves, P waves, and magma from volcanoes and earthquakes give a glimpse at the layers of the earth by providing data that can be built into a model of the earth.
10. Rock Cycle: Igneous, Sedimentary, and Metamorphic Rocks
In this lesson, we will discuss the three main types of rocks and how they are formed. The lesson also gives an introduction into how matter locked in rocks can be cycled through the earth.
11. Alfred Wegener's Theory of Continental Drift
People used to think that Earth was static, and that it never changed. Gradually, a body of evidence was gathered that made no sense in this model. Alfred Wegener, Geologic Supersleuth, laid the groundwork for a whole new theory for the large-scale changing nature of the earth.
12. Evidence for the Mechanism of Continental Drift
As scientists began to explore the ocean floor after World War II, they discovered many new clues to help them solve a mystery that had begun decades earlier - how the continents moved about on the surface of the earth.
13. Plate Tectonics: A Unified Theory for Change of the Earth's Surface
After many years of trying to solve the mystery of the moving continents, enough data and evidence was collected to develop a unifying theory of how the surface of the earth changes. It's called plate tectonics.
14. Causes of Tectonic Plate Movement
In this lesson, we explore the causes of plate movement, including thermal convection, ridge push and slab pull. Students will learn how these processes complement each other and form a theory for tectonic plate movement.
15. Plate Boundaries: Convergent, Divergent, and Transform Boundaries
In the theory of plate tectonics, the earth's crust is broken into plates that move around relative to each other. As a result of this movement, three types of plate boundaries are formed: divergent, convergent, and transform boundaries.
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Other chapters within the ILTS Science - Physics (116): Test Practice and Study Guide course
- Scientific Inquiry and Practices
- Cell Structure
- Heredity and Evolution
- Characteristics and Life Functions of Organisms
- Organisms and the Environment
- Fundamentals of Thermodynamics
- The Atom & Matter
- Trends of the Periodic Table
- Chemical Bonds and Reactions
- Nuclear Processes
- Waves Overview
- Magnetism & Electricity
- Weather and Storms
- The Universe
- ILTS Science - Physics Flashcards