Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Part 3 - Multiple-Choice Practice Exam: 23

Answer

Regelation occurs due to water's open-structured ice crystals.

Work Step by Step

When a wire or an ice-skating blade applies sufficient pressure to the open structure of ice, it crushes the ice to the liquid phase, i.e., the ice melts under pressure. This is the first step of regelation, and it depends on the open structure of ice crystals. This is discussed on page 328.
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