... to the spring, the further the spring will stretch. This is because extension is proportional to load and so if load increases so does extension and so stretching distance. Equipment: * 25swg Copper * 26swg Nichrome * 32swg Constantin * 32swg Nichrome * Stand * Clamp * Ruler * Weights * Hook Method Step 1: Collect all equipment Step 2: Set-up as diagram below shows. Step 3: Get a Copper wire, and using a cylindrical object (same size all the time), wrap around to create a spring. The spring needs to be exactly 3cm long. The chosen amount of coils is six, so it has to be six each time. Step 4: Attach the copper spring to the clamp/stand, making sure it does not unravel or change in shape. Step 5: Apply 30g of weight to the "hook". Step 6: Record the result. Step 7: Repeat steps 3-6 for each type of wire, once (of each weight), and then change the load. Step 8: Write up the experiment. Diagram: Safety: Chances ...

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