Question

ou are going to build your own Rube Goldberg machine. You will start with the plan you made last time but you must add at least two other kinds of simple machines. You may use more but there needs to be at least three in your design. The purpose of the machine can be whatever you like. After you make your plan, create a design. A prototype is optional. Next build the machine. Once you have built the final machine, test it to see if you need to make adjustments or improvements. Write all your observations, steps, and test results to submit as your portfolio....