Explore how limestone landscapes form. This KS3 Geography quiz looks at rocks, fossils and past climates to show how Britain’s position on Earth has changed.
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If you visit the Yorkshire Dales, you might cross or walk beside such streams as Tang Hall Beck or Osbaldwick Beck!
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Surface streams on limestone are mildly acidic due to this acid
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As a drop of water evaporates, it cannot hold as much dissolved material
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It is sometimes spelled as grike. Grykes can sometimes be as wide as half a metre but are often narrower
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Sometimes called sink holes
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Water freezes and expands to widen the cracks
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In very old caves, there are some spectacular examples of columns
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In the winter, the river Lathkill in Derbyshire is fed by a large resurgent stream in a cave in the side of its valley. During the summer, the cave is dry and the upper part of the river disappears as well. The summer resurgent is much less spectacular and is spread over a distance of several hundred metres
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These are cracks that formed as the sediments turned into rock
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Originally the name of a limestone region in Slovenia
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