1 pts
2 pts
3 pts
The plan of your contraption must show each progressive step. The machines used must be labelled. You must have a list of materials.
You are required to select materials that are safe and suitable for their purpose.
Your contraption must function smoothly and reliably.
During your presentation, you must properly use the key terms listed above and you must be able to identify the machines used in your contraption.
You must write a complete report describing your contraption, and its usefulness. Be sure to describe each step in the process, naming each simple machine and describing each step. There must also be a diagram of your final contraption attached.
Your final contraction must have at least 7 steps and incorporate at least 3 different simple machines.