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This lesson explores how scientific knowledge changes in the context of abrupt climate change. Until a few years ago, it was believed that climate changes gradually on Earth. But results from ice cores and other geologic records of past temperature changes indicate that this is not necessarily the case and that abrupt climate changes may be the norm rather than the exception. Using this issue, students will be given a glimpse into the process by which scientific knowledge is developed and refined by new data.
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Intended for grade levels:
Type of resource:
Subject:
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright AAAS 2002. All rights reserved.
DLESE Catalog ID:
DLESE-000-000-005-573
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Educational standards:
Related resources:
This resource is referenced by
'Science Netlinks'
Resource contact / Creator / Publisher:
Contributor:
Clinton Turner Science NetLinks American Association for the Advancement of Science |