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Journal Article |
High school physics students from Littleton, New Hampshire, conducted experiments in an effort to use alternative energy to power a sidewalk heating system by participating in a program that provides grants to high…
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Blog Post |
Many hands-on STEM activities and demonstrations require the use of a heat source. The challenge is to determine the appropriate heat source based on safety while still meeting the needs of the activity. For example,…
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Science 101: Why does air expand when you heat it, and why does hot air rise?
Journal Article |
The short answer to the questions in the title are that air doesn't necessarily expand when you heat it, and hot air doesn't always rise. These two commonly misunderstood concepts related to the behavior of gases and…