
Simple activities introduce the concepts of hot and cold in relation to melting and freezing, temperature, deserts and polar areas, and more.

"I studied physics (a long time ago), then trained as a science and maths teacher. After that, I worked at London’s Science Museum in the Education Unit – and in the museum’s flagship interactive gallery, Launch Pad. I left the museum in 1991 to write science and technology books and to write and perform science shows in museums, libraries and schools. Recently, I worked for two years on the development of science television programs for BBC Scotland." Source: http://explaining-science.co.uk/
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