4.1.1 - Energy changes in a system, and the ways energy is stored before and after such changes
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Last updated 6:00 PM on 3/31/26
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4 Terms
1
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When did the concept of energy emerge? what was the idea used to explain?
In the 19th century. it was used to explain the work output of steam engines and then generalised to understand other heat engines - it also became a key tool for understanding chemical reactions & biological systems
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What are critical problems for this century?
Limits to the use of fossil fuels and global warming
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What is a system?
An object or a group of objects
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What happens to energy when a system changes?
There are changes in the way energy is stored
