inclined plane wheel and axel wedge screw pulley lever
What is the difference between a simple machine and a complex machine?
What technology protects
people from diseases?
What technology processes
huge amounts of information and is used in many inventions that improve
people’s lives?
According to a scientist, what is work?
* * Don't forget to review pages 46-59 in your Science textbook and to look over the assignments we've covered on www.pearsonsuccessnet.com/ * *
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