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How Stuff Changes



Explore the non-reversible changes that lead to the formation of new materials, with this five-part video for Key Stage 2 science.

Fire! Fire! reveals to a primary class the Hindu festival of Dessehra, which includes explosions of fireworks that result in irreversible chemical changes.

Changed For Ever goes into the lab to observe chemical changes, including time-lapse footage of lit candles and the burning of magnesium.

Magic Sand follows the amazing changes in properties which occur between taking sand as a raw material and producing finished glass.

No Going Back observes two non-reversible chemical reactions in the lab, and What's Cooking? looks at chemical changes in the kitchen through heating, roasting and frying.

Published : May 2007

15 mins


Science Tube


Primary Pupil


Primary Science

Materials and their properties


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