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Spider Shapes

Spider Shapes. Steve Case NSF North Mississippi GK-8 University of Mississippi March 2007. Spiders. Members of the arachnid family along with ticks, mites, and scorpions Two main body segments: head and abdomen Silk glands in abdomen; used by many types of spiders to spin webs.

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Spider Shapes

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  1. Spider Shapes Steve Case NSF North Mississippi GK-8 University of Mississippi March 2007

  2. Spiders • Members of the arachnid family along with ticks, mites, and scorpions • Two main body segments: head and abdomen • Silk glands in abdomen; used by many types of spiders to spin webs NSF North Mississippi GK-8

  3. Spiders’ Webs • Webs spun between branches of trees, bushes, or other objects • Used to catch flies and other insects • Portions of web non-sticky so spider does not get trapped • Five major types of web; most common type of web spun by orb weaver spiders • Web silk stronger than steel NSF North Mississippi GK-8

  4. What shapes can we find in a spider’s web? NSF North Mississippi GK-8

  5. Circle • How many sides? • One • How many corners? • Zero • Can we find circles in a spider’s web? NSF North Mississippi GK-8

  6. NSF North Mississippi GK-8

  7. Quadrilateral • How many sides? • Four • How many corners? • Four • Different types of quadrilaterals: • Parallelogram, rectangle, rhombus square, trapezoid • Can we find quadrilaterals in a spider’s web? NSF North Mississippi GK-8

  8. NSF North Mississippi GK-8

  9. Parallelogram • How many sides? • Four • How many corners? • Four • Is it a quadrilateral? • Yes • What makes a parallelogram? • Opposite sides of a parallelogram are parallel. • Different types of parallelograms: • Square, rhombus, rectangle NSF North Mississippi GK-8

  10. NSF North Mississippi GK-8

  11. Rectangle • How many sides and corners? • Four • Is it a quadrilateral? • Yes • Is it a parallelogram? • Yes • What makes a rectangle? • All corners of a rectangle form right angles. NSF North Mississippi GK-8

  12. NSF North Mississippi GK-8

  13. Rhombus • How many sides and corners? • Four • Is it a quadrilateral? • Yes • Is it a parallelogram? • Yes • What makes a rhombus? • All four sides of a rhombus are equal in length. NSF North Mississippi GK-8

  14. Square • How many sides and corners? • Four • Is it a quadrilateral? • Yes • Is it a parallelogram? • Yes • Is it a rectangle? • Yes • Is it a rhombus: • Yes • What makes a square? • All sides of a square are equal in length. NSF North Mississippi GK-8

  15. Trapezoid • How many sides and corners? • Four • Is it a quadrilateral? • Yes • Is it a parallelogram? • No • What makes a trapezoid? • Only two sides of a trapezoid are parallel. NSF North Mississippi GK-8

  16. NSF North Mississippi GK-8

  17. Triangle • How many sides and corners? • Three • Can we find triangles in spiders’ webs? NSF North Mississippi GK-8

  18. NSF North Mississippi GK-8

  19. Hexagon • How many sides and corners? • Six • Do any insects or arachnids build hexagons? NSF North Mississippi GK-8

  20. NSF North Mississippi GK-8

  21. Let’s Review Hexagon Triangle Parallelogram Rectangle Trapezoid Square Rhombus Circle NSF North Mississippi GK-8

  22. Image Sources “Web Photos.” August 2005. Spiders. Accessed March 15, 2007. <http://www.spiderzrule.com/webaugust05.htm>. NSF North Mississippi GK-8

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