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Mountains of Fire: The Hawaiian Islands

Related Article: Learn more about volcanoes.

The volcanoes in the Hawaiian Islands are not on a plate boundary, but at a hot spot where magma has found a way through the earth’s crust.

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Why? Tell Me Why! Alaska Oil (1:30)

After spending a week in Alaska, Discovery News' Kasey-Dee Gardner wanted to find out why the state is so abundant in that resource.

Sea Cliffs (0:41)

From the Archives of Discovery: Over time, the ocean erodes rock into dramatic and strange formations. Learn more about sea cliffs here.

Glitzy Gifts That Give Back (5:09)

The Diamond Information Center has spearheaded a project with four well-known charities in an effort to give back to those afflicted or affected by AIDS and Cancer. Shoppers will have the opportunity to purchase jewelry pieces with a portion of... More »

Prairies Explained (3:35)

Watch this episode of Eco Geeks about prairies on HowStuffWorks. Why do grasses dominate certain ecosystems while trees do not? Learn the answer and more about prairies in this episode of Eco Geeks.

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Watch this episode of Eco Geeks about the alpine tundra on HowStuffWorks. Different tree and plant life grow according to the environment at that elevation. Learn what grows at what elevations and what animals live in the alpine tundra in this... More »

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Students learn about the process of turning tree sap into maple syrup.

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Students learn about the extreme conditions during winter in the temperate forest and how the temperature affects the animals and trees that live there.

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The section discusses the ever-changing forest environment and how animals learn to store food and prepare for the changing seasons.

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This chapter discusses the parts of a seed and what it needs in order to grow.

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Review what you've learned about mountains by taking this video quiz.

Mountains: Why Mountains Are Important (1:48)

Mountains can be mined for minerals and ores and provide water for farms and cities. Trees that grow on mountain slopes can be logged for lumber. Mountain ranges can serve as barriers to travel and can significantly affect weather.

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Most mountains are very high and are often covered in clouds, fog or snow. As elevations increase, the temperature drops and winds generally increase. Different life forms live at different elevations on mountains.

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Mountains are the highest places on Earth. Many are found in long chains called mountain ranges, while others stand alone. Some are rugged and sharp--others are rounded.

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This clip provides a review of the series on volcanoes.

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There are three types of volcanoes: shield volcanoes, cinder cones and composite volcanoes.