Strength in Materials and Paper Experiment
This content delves into exploring strength through comparing materials and humans, conducting a tissue paper experiment, and a challenge to create the strongest rope from paper strips. Discover insights on enhancing material strength and recording experiment results.
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Presentation Transcript
Questions to think about. What is meant by strength? How does strength in materials compare to strength in humans?
Tissue Paper Experiment Find a strip of tissue paper (can use normal paper). Test the tissue paper for its strength by hanging a carrier bag from it and placing weights (can use tins) in the bag until it breaks. How could the paper material be made stronger?
How could the tissue paper be made stronger? Possible answers: Using several strips of paper together. Twisting pieces of paper together. Making the paper longer/shorter.
Challenge!!!! Can you make the strongest rope possible from only 6 paper strips and no other material? Plan and sketch out your design. Answer the following questions BEFORE you carry out the experiment. Why do you think your design will be the strongest? Will the rope be stronger if you use all 6 pieces of paper and why? Will a plaited/twisted/loose rope work better? Will a longer rope be stronger than a shorter rope and why?
Results Record the weight (amount of tins) that your paper rope could hold. Answer the following questions in your book. What went well? What wasn t so successful? What would you change about your design?
