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PRESENTS. Charlotte’s Web. SPIDERS. A Look at Mississippi Spiders And their Webs. Spider Facts. Have two body parts: head and abdomen Have 8 legs and 8 eyes. Spider Silk. Make egg cocoons A thin strand for lowering Thick strand for web support Sticky silk for trapping prey.

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Presentation Transcript
slide1
PRESENTS

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spiders
Charlotte’s WebSPIDERS

A Look at Mississippi Spiders

And their Webs

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spider facts
Spider Facts
  • Have two body parts:

head and abdomen

  • Have 8 legs and 8 eyes

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spider silk
Spider Silk
  • Make egg cocoons
  • A thin strand for lowering
  • Thick strand for web support
  • Sticky silk for trapping prey

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spider hunting
Spider Hunting
  • Stalking
  • Ambushing
  • Trapping
  • Biting – venom has digestive juices

used to dissolve prey so that it can be

sucked up into mouth

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black widow
Black Widow

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carolina wolf
Carolina Wolf

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golden silk
Golden-Silk

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purse web
Purse-Web

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brown recluse
Brown Recluse

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slide15
PRESENTS

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why does a spider create a web and how
Why Does a Spider Create a Web, and How?
  • What are Spider Web made of?
  • What are ways that a spider can use its silk?
  • For the creation of a Web (capturing prey)
  • To create an Egg-Sac
  • To serve as a safety net.
  • To find its way back to its home.

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spider silk1
Spider Silk

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what is spider s silk and the properties of silk
What is Spider’s Silkand the Properties of Silk
  • Made of Proteins
  • Properties
  • 1)Strong
  • 2)Elastic
  • 3)Waterproof
  • 4)Sticky or non-Sticky
  • 5)Hard To See
  • Why are These Properties Important!

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where does a spider usually build its web
Where does a spider usually build its Web?
  • Any Suggestions?
  • Corners of Buildings
  • Between plants, (stems)
  • Between tree branches
  • HOW DOES THE SPIDER BEGIN?

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how does a spider begin
How Does a Spider Begin?
  • Animation - Starting a Web

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why does the spider not get caught
Why does the Spider Not Get Caught?
  • Different Types of Silk
  • Sticky or Not

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let s review
Let’s Review
  • Silk and Properties
  • How not to get caught
  • Line Segment
  • Triangle
  • Spirals

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triangle web
Triangle Web

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sheet web
Sheet Web

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questions
Questions?

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sources
Sources
  • Dr. Gail Stratton, University of

Mississippi

  • Field Guide to the

Southeastern States, National

Audubon Society

  • Field Guide to North American Insects & Spiders,
  • National Audubon Society
  • Anonymous. World Wide Web: Arachnid Web Pages.
  • Alexandra Parsons. 1990. Eyewitness Jr.: Amazing Spiders.
  • J.L. Cloudsley-Thomson. 1973. Spiders and Scorpions.
  • Herbert W. Levi and Lorna R. Levi. Spiders and Their Kin.
  • Louise Martin. Funnel Web Spiders.
  • L.M. Milne. 1995. Field Guide to North American Insects and Spiders.
  • Bill Nye the Science Guy. Animal Locomotion. PBS.

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