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All Book Chapters

Waves

Book Chapter

Waves

A wave is a disturbance that transmits energy from one location to another. In the ocean, most waves are created by the action of the wind over the surface. The interaction of the waves with the bottom near the shore causes the waves to break. Larger...

Water — The Universal Solvent

Book Chapter

Water — The Universal Solvent

Water is often called the universal solvent because so many substances will dissolve in it. Why do so many substances dissolve readily in water? In this Activity, you will explore the solubility of various substances in water as compared with other l...

The Ocean: A Global View

Book Chapter

The Ocean: A Global View

The ocean plays a fundamental role in many ways: from affecting the global climate and its variability, to phenomena such as El Niño, to the dispersal of pollutants such as oil spills. Understanding the dynamics controlling the ocean is essential to...

Won’t You BB My Hydrometer?

Book Chapter

Won’t You BB My Hydrometer?

If you have ever gone swimming in an ocean, or better yet, in Great Salt Lake, Utah, you may have noticed that it was easier to float in the ocean or in Great Salt Lake than in a pool or freshwater lake. Why is this? In the first part of this Activit...

Ocean Layers

Book Chapter

Ocean Layers

Ocean water is not the same everywhere. In some places, the water is colder or deeper than in other places. Some parts are denser or contain differing amounts of dissolved salts than other parts. All these things affect the way ocean water behaves. ...

The Myth of Davy Jones’s Locker

Book Chapter

The Myth of Davy Jones’s Locker

For centuries, sailors believed that bodies buried or lost at sea did not sink to the bottom. They believed that a special depth existed between the surface and the bottom of the ocean where a body would remain suspended. Sailors called this region o...

Estuaries — Where the Rivers Meet the Sea

Book Chapter

Estuaries — Where the Rivers Meet the Sea

An estuary is a body of water partially enclosed by land that has a connection to a river or stream, and an opening to the ocean. They are places where freshwater coming from rivers and streams mixes with salty ocean water. In this Activity, you will...

Recycled Water: The Hydrologic Cycle

Book Chapter

Recycled Water: The Hydrologic Cycle

If we cannot see the water vapor, how do we know water vapor exists? In this Activity, you will examine the evidence regarding the presence of water vapor in the air and explore how water vapor plays a key role in the formation of clouds and rain....

Flash to Bang

Book Chapter

Flash to Bang

Lightning is not only visually spectacular; it is also dangerous. Lightning is one of the leading causes of weather-related deaths and injuries in the United States each year, not to mention damage to property. Knowing the properties of lightning,...

Rainy Day Tales

Book Chapter

Rainy Day Tales

In this Activity, students write an original, creative story about the movement of a water molecule through the hydrologic cycle....

Scales in Meteorology

Book Chapter

Scales in Meteorology

Measurement scales are standard values that can be used to compare properties. In meteorology, several scales may be used for the same quantity, depending on the purpose. For example, in the United States, temperature is frequently measured in ter...

A Cloud in a Jar

Book Chapter

A Cloud in a Jar

Have you ever looked up in the sky and seen a cloud in the shape of an animal? Regardless of the shape or size, certain conditions need to be present for a cloud to form. In this Activity, you will explore the conditions that must be present for clou...

Just Dew It!

Book Chapter

Just Dew It!

If you watch the local news, you have probably heard meteorologists talk about the humidity as well as the temperature. In this Activity, you will use the fact that the amount of water vapor at saturation depends on the temperature to determine how h...

Let’s Make Frost

Book Chapter

Let’s Make Frost

Snowflakes are made of ice. We think of ice as being frozen water. However, if you have ever seen a snowflake, chances are you have noticed that snowflakes do not look like most examples of frozen water we are used to seeing (e.g., ice cubes, icicles...

It’s All Relative!

Book Chapter

It’s All Relative!

Have you ever heard the word “muggy” used to describe the weather? How about the phrase “hazy, hot, and humid”? These phrases are used to describe times when there is considerable moisture in the air. In this Activity, you will measure humidi...

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