How stuff changes
Description
Non-reversible changes result in the formation of new materials. These can be the result of the burning of materials or of chemical reactions. Fire! Fire! observes the Hindu festival of Dessehra, which uses fire to burn the wooden ten-headed King Ravan, producing explosions of fireworks, resulting in irreversible chemical changes. Changed For Ever goes into the lab to observe chemical changes, including time lapse of burning candles and the burning of magnesium. Magic Sand follows the amazing changes in properties which occur between the taking of the raw material sand and the production of finished glass at a glassworks. No Going Back observes two non-reversible chemical reactions in the lab. What's Cooking? goes to Chinatown to see chemical changes in the kitchen: heating, roasting and frying.
Runtime
13 min
Series
Subjects
Geography
Genre
Date of Publication
2006
Database
Alexander Street
Direct Link
Similar Films
I want to be a better leader
The Forgotten Civilizations of Anatolia. Secrets of Archaeology
Geographic information systems
Classroom creativity
Sleek Geeks Eureka Prize
Enquiring minds
The human rights experience
Rise of the Machines. Will Civilian Drones Reshape American Life?
Teaching traditional research skills in science
Firm foundations
Alive to possibility
Tomorrow, today. Series 1, Episode 17
Rational Functions
The challenge of contemporary art
Elementary school in Ghana