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When making candy, accurate temperatures can make the difference between a delightful treat and a gooey mess. Here's how to ...
A demonstration of freezing and boiling points, and standard measurements of temperature. Before watching this clip students could be asked to touch some very cold water or a warm hot-water bottle ...
A demonstration of freezing and boiling points, and standard measurements of temperature. Before watching this clip students could be asked to touch some very cold water or a warm hot-water bottle ...