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Helpful sites:
http://www.childrensengineering.com/faq.htm
http://pbskids.org/fetch/ruff/technology/video.html
http://www.sciencekids.co.nz/sciencefacts/technology.html
Grading Rubric:
Helpful sites:
http://www.childrensengineering.com/faq.htm
http://pbskids.org/fetch/ruff/technology/video.html
http://www.sciencekids.co.nz/sciencefacts/technology.html
Grading Rubric: