CK12 Earth Science

find fresh liquid water is under the Earth’s surface, in a form calledgroundwater(Figure 13.20). Water from the surface seeps do ...

structures. And when coastal aquifers are overused, salt water from the ocean may enter the aquifer, contaminating the aquifer a ...

Springs and Geysers Whenever water beneath the ground meets the surface, aspringis created (Figure13.22). This is a natural poin ...

Figure 13.23: Green Dragon Spring is a hot spring found at Yellowstone National Park. ( 4 ) groundwater. When the water table is ...

Figure 13.24: Old Faithful Geyser during an eruption. ( 17 ) ...

Figure 13.25: An old-fashioned well that uses a bucket drawn up by hand. ( 18 ) ground. Review Questions What is groundwater? W ...

distribution Vocabulary groundwater Water present under the ground, between the spaces in sediment or rock. Impermeable rock lie ...

(5) A marsh is a treeless wetland.. Public Domain. (6) http://en.wikipedia.org/wiki/File:Canadian_Falls_Aug_2004.JPG. Public Dom ...

(24) http://en.wikipedia.org/wiki/File:Hoover_dam.jpg. GNU-FDL. (25) Liquid water.. GNU-FDL. ...

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Chapter 14 Earth’s Oceans 14.1 Introduction to the Oceans. Lesson Objectives Describe how the oceans formed. Explain the signif ...

Creation and Collection of Water When the Earth was formed 4.6 billion years ago, it would never have been called the Blue Plane ...

Figure 14.2: Pangea was the sole landform 250 million years ago, leaving a huge ocean called Panthalassa, along with a few small ...

Significance of the Oceans The Earth’s oceans play an important role in maintaining the world as we know it. Indeed, the ocean i ...

Figure 14.3: Coral reefs are amongst the most densely inhabited and diverse areas on the globe. ( 2 ) ...

Figure14.4: Oceanwateriscomposedofmanysubstances. Thesaltsincludesodiumchloride, magnesium chloride and calcium chloride. ( 22 ) ...

of the ocean, the scientists define different regions by depth (Figure14.6). Figure 14.5: The Trieste made a record dive to the ...

and whales can be found in this zone. They feed on materials that sink from upper levels, or consume one another. At hydrotherma ...

Usual salinity for the oceans is about 3.5% or 35 parts per thousand. Some regions in areas of high evaporation, like the Dead ...

neritic zone The part of the ocean where the continental shelf gradually slopes outward from the edge of the continent. Some sun ...