Do Now!!! Take a packet from the small bookshelf with the folders on top & reread 4.1.

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Presentation transcript:

Do Now!!! Take a packet from the small bookshelf with the folders on top & reread 4.1

Objectives: REVIEW FOR 4.2 & 4.3 QUIZ AND CH 4 TEST Groundwater Objectives: REVIEW FOR 4.2 & 4.3 QUIZ AND CH 4 TEST

When Ground water has no where to go.

Groundwater is the water that soaks into the . When it rains, water soaks into the of weathered rock. The amount of pores in a rock effect its . ground pores permeability

will continue to flow downward through soil and rocks. Groundwater Movement Groundwater will continue to flow downward through soil and rocks. A layer of rock that lets water move freely is called an . permeable aquifer

where all the rock pores are filled with Zone of Saturation zone of saturation The is where all the rock pores are filled with water, and no more water can be held. are drilled down into the zone of saturation. Wells

The is the top of the zone of saturation. It can be found at the . Water Table The is the top of the zone of saturation. It can be found at the . water table surface level of a stream.

How To Calculate Rate Of Flow r = Rate = how fast the water is moving d = Distance= how far the water is traveling t = Time = how long the water takes to reach its destination r x t = d d / r = t

Most wells bring water to the surface by a . Wells can go when less rain falls or when too many wells are in the area. The amount of rain can’t keep up with the . pump WELLS dry demand

W ARTESIAN LLS ______________ under pressure Water rises ______________ to get to the surface. This type of well is ______________ and requires special conditions. LLS under pressure rare

Springs Most of the time the water from a spring is , but in certain areas, the water is heated by rocks that are close to molten material causing . cold hot springs

table meets the Earth’s surface. Springs Springs occur when the water table meets the Earth’s surface.

periodically erupt, shooting Geysers Geysers are of ground water that periodically erupt, shooting and in the air. hot springs water steam

When ____________ mixes with _____________ in the air, it Groundwater, Erosion & Depostion When ____________ mixes with _____________ in the air, it forms a weak acid called ______________. _____________ is dissolved and an underground cave is formed. water carbon dioxide carbonic acid Limestone

limestone, but it also drips into The water contains minerals that Caves not only dissolves limestone, but it also drips into cracks. The water contains minerals that build up to form and . Groundwater stalactites stalagmites

A sinkhole occurs when rock is and collapses the roof of a . Sinkholes A sinkhole occurs when rock is dissolved near the and collapses the roof of a . surface cave

Sinkholes can show up at any time, any place. Dec. 18th 2010 in Fort Myers, Florida

Let's Review!!! Describe how the permeability of soil and rocks affects the flow of groundwater. Describe why a well might go dry. Explain how caves form. Compare and contrast wells, geysers, and hot springs.