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Topic Reviews:
1.0: Machines are tools that help humans do work.
2.0: An understanding of mechanical advantage and work helps in determining the efficiency of machines.
3.0: Science, society, and the environment are all important in the development of mechanical devices and other technology.
Here are some great sites to visit to learn more about this unit and have some fun!
Here are some great sites to visit to learn more about this unit and have some fun!
CK-12 Foundation (join for free, and search topics)
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