Heating can make a substance change. Heating can make some substances change in a way that they cannot be changed back again by cooling. In the previous lesson, students saw that some substances that ...

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Students will also be able to explain that heating a substance makes its molecules move faster and cooling a substance makes its molecules move slower. The lesson can also be used to lay a foundation ...

HVAC Technicians are in high demand and the need is only expected to grow. In October, Lincoln Tech launched a new training ...