Heat is a form of energy that always travels from a hotter substance to a colder substance. Temperature is a measure of the energy that matter contains, or how hot or cold it is. Heat energy is very useful to all living things. We use heat energy for cooking food, to warm ourselves, and to make electricity. Let your kids watch this video to find out more, and then test their knowledge with our Heat Energy quiz: http://ow.ly/YLvjh #Education #Science