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Science 7
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Science 7

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  • Brick is a solid because it is hard and has no space in the center
  • These houses where made for shelter
  • Transcript

    • 1. Science 7
    • 2. Solid Structure • Solid structures are used for being strong and lasting a long time. Brick is a solid because it is hard and has no space in the center
    • 3. Frame Structure • Frame structures are structures that are joined together and make a strong structure .they are used for houses because they are easy to build . These houses where made for shelter
    • 4. Shell structures • Shell structures are made for protecting every thing inside they have a solid out side and a weak center. • An example is an egg.
    • 5. Truss Bridge • Truss bridges are for letting people cross something safely. Truss bridges are made of a lot of triangles.
    • 6. Arch Bridge • Arch bridges are arches that people can cross on top and can hold lots of weight .
    • 7. Suspension Bridge • Suspension bridges are bridges that are secured at both ends by cables or ropes
    • 8. Beam Bridge • Beam bridges are beams that are supported on both ends.
    • 9. Eiffel Tower • The Eiffel tower is a frame structure that is mainly used for tourist attraction .
    • 10. Cargo Ships • Cargo ships are ships that carry a lot of cargo safely they are shell structures because they have very hard out sides.

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