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Instructional Guide

Instructional Guide. Construction: Building and Beams. www.i3cubed.com. During this unit you are going to:. Explore forces that act on structures. Discover the strength of a beam varies. Design, construct, test, and evaluate paper beams. Forces.

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Instructional Guide

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  1. Instructional Guide Construction: Building and Beams www.i3cubed.com

  2. During this unit you are going to: • Explore forces that act on structures. • Discover the strength of a beam varies. • Design, construct, test, and evaluate paper beams.

  3. Forces Compression - The act, process, or result of pressing or squeezing together. Tension - The act or action of being stretched or the condition of being stretched.

  4. Weight Beam Held Beam Efficiency = X 100 Weight of Beam Beam Efficiency

  5. Design Challenge You are a structural engineer and you are helping your parents design a family room addition to a house that has a deck on the roof. The challenge is to design a deck strong enough to support family and friends. You will create the strongest beam possible. A successful beam will support family, friends and the deck itself. The strength/efficiency of the beam will be determined by dividing the final load by the beam’s weight.

  6. Step 1 – Identify a challenge • What is the challenge? • Brainstorm ways of constructing the beams out of one sheet of paper.

  7. Step 2 – Explore Ideas • Draw end and side views of two possible beams. √ Identify a challenge

  8. Step 3 – Plan and Develop • Sketch the best idea. • Sketch a refined design. √ Identify a challenge √ Explore Ideas

  9. Step 4 – Testing and Evaluating • How much weight did it hold? • What can you do to make it stronger? • Revise and draw design. • What changes did you make? • What are the differences from the first design? • Which design was better? Why? √ Identify a challenge √ Explore Ideas √ Plan and Develop

  10. Step 5 – Presenting the Solution • What are the final dimensions, weight, and load? • Determine the efficiency. • List the materials used. • How well did the project go? • Would you change anything? √ Identify a challenge √ Explore Ideas √ Plan and Develop √ Testing and Evaluating

  11. Conclusion • Compare all of the beams with the class. • How are they different? • How are they similar? • How could they be made better? • Discuss and design a final beam with the whole class.

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