1.1+Testing+Paper+Bridges+0910

Adit Mahmood 8/25/09 Block F

1.1

Big Idea: Many real world situtations can be modeled and predictied using mathematics.

Essential Question: What relationships make a straight line on a graph?




 * A.) ****Do the Experiment with pennies and bridges and record your data.**

Notes: **Graph Model- Straight line or curve that displays the trend in the data.**

B.) **Make a graph of your data.**
 * **__ # of Layers __** || **__ # of Pennies __** ||
 * 1 || 7 ||
 * 2 || 19 ||
 * 3 || 26 ||
 * 4 || 38 ||
 * 5 || 51 ||




 * C.) ****Describe the pattern and predict for 6 and 7 layers?**

The pattern is that the change is first small, but then it becomes bigger. It took 7 pennies to break one then it took 12 more pennies to break the 2nd layer. The pattern is not the same numbers but it is like that. If the rule continues then 6 layers will have 63 pennies and the 7th layer will have 70 pennies.


 * D.) ****If you could use half-layers, what would you predict for 2.5 and 3.5 layers?**

If you had 2.5 layers then it would take about 23 pennies, but it you 3.5 layers it will probably take 32 pennies.


 * F.U**


 * 1.) ****What would you expect the result to be if you had used stronger material?**

If you had used a stronger material like wood, then the breaking weight would much increased since the new material would be much heavier, but if you used a material that is a little thicker than paper then the result would be a bit heavier. But the change between layers will always be larger and larger if you use a strong material.