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CLIP 2087

The discovery of firing clay (signed)

The discovery of firing clay (signed)
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Key Info
  • The discovery of firing clay (signed)
  • Duration: 03:23
  • Eleven thousand years ago Siberia was an even colder place than it is today. Stone Age man made a discovery and invented pottery. It was noticed that clay left out in the sun dried and became hard but was brittle and broke easily. If dried clay was left in the rain it became soggy again. Fires were used to keep people warm and to cook food. When these fires were made on top of ground which contained clay, the ground around the fire changed and became stronger. Clay vessels baked in fire became pottery. It is believed the origins of pottery date back to the Ice Age. The process is still very common and used today.
  • Subject:

    Science

       Topic:

    Changing Materials: Irreversible Change

  • Keywords: materials, clay, heating, changing properties, discovery, invention, pottery, origins, Stone Age, natural material
Ideas for use in class
  • Explains the changes which take place when clay is dried, soaked in water and heated. It would be a helpful clip to play to pupils learning about changing materials. Stone Age man describing these changes while having a cup of tea in a modern cafe adds to the enjoyment and likely recall of the information. There are obvious cross-curricular links with history.
Background details
  • Clip language : British Sign Language
  • Aspect ratio : 16x9

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