Summary
Bill descends into caves to show how slow-working water can dissolve and carve enormous spaces out of solid rock over ages.
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All ages
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Teaching resources
Discussion questions
Discussion
Bill descends into caves to show how slow-working water can dissolve and carve enormous spaces out of solid rock over ages..
- How can water hollow out a cave in solid rock?
- Why does forming a cave take such a long time?
- What are the icicle-like rock shapes in caves?
Quick work-a-long
Vocabulary: cave, dissolve, stalactite.
Try it: Explain how dripping water can build a stalactite over many years.