Debby Czerwienski

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Recent Reviews by Debby


Tue Apr 20, 2010 8:52 AM
5 Action Reaction
This was an excellent explanation of Newton's Third Law. The simulation of the ice and snowball can be used in my fourth grade classroom with very little confusion associated with it. I especially liked the initial "experiment" of pushing on your palm. This is a great introduction to the third law that can be translated to any classroom.I can use this explanation the next time I teach force and motion .


Mon Apr 05, 2010 12:29 PM
3 Newton's Second Law
As a resource to refresh your knowledge on Newton's Second Law it was very good, however I don't think I could use it to help me in my fourth grade class. I would probably use the balloon rocket to illustrate what happens when variables are added . The teeter tooter could help me to illustrate that things happen only when there is an imbalance but the underlying concepts are too advanced for me to use in my classroom


Fri Apr 02, 2010 2:42 PM
4 Newton's First Law
I liked the explanation of the law as Newton would have stated it and then as a more usable definition.I've used the coin trick in my class and it does get the students thinking. I plan on using the tug of war example because it is an excellent illustration of net force and /or unbalanced forces. The explanation of inertia was also very good. I can adapt it to my fourth grade class quite easily.