Videos A to Z

• Everyday Simple Machines: Inclined plane video clip

  
  • 3-5

  An inclined plane is a flat, slanted surface and is sometimes called a ramp.  » more info

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• Everyday Simple Machines: Screw

  
  • 3-5

  A screw consists of an inclined plane wrapped around a cylinder. As a force is applied, the threads of the screw turn and exert an outward force.  » more info

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• Everyday Simple Machines: Wedge video clip

  
  • 3-5

  A wedge consists of two inclined planes positioned back to back. Mechanical advantage increases as the wedge gets longer and thinner.  » more info

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• Everyday Simple Machines: Wheel and axle

  
  • 3-5

  A wheel and axle consists of two circular objects of different sizes. As the wheel grows bigger relative to the axle, mechanical advantage increases.  » more info

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  • Website: https://www.uen.org/emedia
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• Evidence of Change: Darwins journey

  
  • 3-5
  • 6-8
  • 9-12

  Animation depicts the route Darwin traveled in 1831 for 5 years to various locations around the world, including South America, the Galapagos Islands, and other locations in the Pacific.  » more info

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  • Website: https://www.uen.org/emedia
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• Evidence of Change: DNA

  
  • 3-5
  • 6-8
  • 9-12

  DNA is the fundamental unit of heredity and is found in our cells. It contains the information that living things need to grow and maintain themselves.  » more info

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    • UIMC
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• Evidence of Change: Speciation

  
  • 3-5
  • 6-8
  • 9-12

  Speciation is the evolution of one or more new species from a single existing species. This diagram depicts the likely evolutionary relationship between different species of finches.  » more info

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• Evidence of Change: Vestigial structures: Coccyx

  
  • 3-5
  • 6-8
  • 9-12

  Vestigial structures are structures or remnants of structures that do not have a function. The coccyx, also known as tailbone, is an example of a vestigial structure in humans.  » more info

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• Evidence of Change: Vestigial structure: Whale

  
  • 3-5
  • 6-8
  • 9-12

  Vestigial structures are structures or remnants of structures that do not have a function. Whales and pythons have vestigial hind leg bones embedded in their bodies, illustrating that they evolved from…  » more info

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• Evolution: Ancient fossils

  
  • 3-5
  • 6-8
  • 9-12

  Ancient fossils Darwin found in South America suggested that ancient animals might be related to present-day living organisms.  » more info

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  • Website: https://www.uen.org/emedia
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    • EMEDIA