B39

Science B39: The Spider’s Web

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Award-winning video and lesson investigations for young children on the topic of the spider’s web

Product Description

Video and lesson investigations on the topic of the spider’s web. Key concepts include:

  • A spider’s web needs support.
  • The framework is made from dry silk.
  • The trap (for other insects that it needs for food) is made from sticky silk. Spiders’ webs are designed to withstand a variety of forces.
  • The design of a web is ideally suited to its function of catching food.
  • Many spiders spin at night, just before dawn.
  • They begin eating the previous day’s web and re-cycling the silk for further use. They start weaving a web by anchoring the silk to several key points.
  • This provides support for the web.
  • It is the cross-weavings of the web that are made from sticky silk.
  • If you watch a spider travel around its own web you will notice that it avoids the sticky part.
  • The silk of most spiders’ webs is very find yet it is, for its size, one of the strongest materials known

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