Use the resources on the Parts of a System student esheet to help you answer the questions on this sheet.
Now visit the How Stuff Works and search for devices with elements that are similar to your group’s device. Choose one device and respond to these questions:
What is the function of this system as a whole?
What are the essential parts of the system?
What are the functions of these parts?
Do they perform the same function in both devices?
Would this device function if one of the elements were removed? Which element could be removed?
Could the same basic elements be organized a different way to perform different functions?
Is it possible to enhance this device by adding another element?