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3. Sam Kahwak 구조

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  • Force: push/ pull, Effect: moves/ change direction/ change shape Flattening dough with a rolling pin
    Push change shape
  • Structure are either human-made or animal-made. What is function of the mole burrow and subway tunnel?
    to travel underground
  • Describe the size, shape and function of our house
    big, rectangular and provide shelter for us.
  • Give exmaples of animal-made structure.
    spiderweb, anthill, beaver dam, mole burrow.
  • Force: push/ pull, Effect: moves/ change direction/ change shape Wind blowing a sidewalk
    push moves
  • Structure are either human-made or animal-made. What is function of the spiderweb and fishing net?
    catch prey
  • Describe the size, shape and function of water tower.
    Size: BIg/ tall, Shape: round, function: to hold water and create water pressure.
  • Force: push/ pull, Effect: moves/ change direction/ change shape Stretching an elastic band
    Pull changes shape
  • Force: push/ pull, Effect: moves/ change direction/ change shape Batting a baseball
    push change direction
  • What is tention?
    a force that acts to expand or lenghthen the thing it is action on.
  • Every structure has a s***, s****, f****.
    size shape function
  • Force: push/ pull, Effect: moves/ change direction/ change shape Weigh of the car on tire
    push changes direction
  • What is compression?
    A forece that presses or squeeze somthing together.
  • Force: push/ pull, Effect: moves/ change direction/ change shape Dragging a wagon up a slope
    Pull Change direction
  • The force of a push on a structre causes *************
    compression
  • Structure are either human-made or animal-made. What is function of the beaver dam and hydro dam?
    to control the flow of water
  • Describe the size, shape and function of lighthouse.
    The lighthouse is over 100 m tall with a cylinder shape and pointy top. It shines light to warn or guide ships at night.
  • The force of a pull on a pull on a structure causes *******
    tention
  • Describe the size, shape and function of railway tracks
    long and flat, to support rail-guided transportation
  • Honey comb is built by *** of its shape is ****. The material of structure is *** and its function is ****
    bees, hexagon, wax, to store honey/ pollen and to house larvae
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