Julie Anderson

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Recent Reviews by Julie

Fri Apr 09, 2010 9:30 PM
4 Newton's Third Law
I liked the hands-on activities in this Science Object, but I would have liked to see more of them. I thought the activities the object had were very interesting and inquiry-based. I also like that the concept that forces act on different objects was explained more than once, in more than one way. This will be helpful when explaining the concept to students who may have misconceptions. I also like the idea of rewording Newton's Third Law to avoid misconceptions. The summaries were useful, as were the quizzes.

Sat Mar 20, 2010 5:34 PM
5 Newton's Second Law
The interactive simulations were fun. I tried each of them several times. I'm sure the students would enjoy them, also. Explanations really simplified concepts for struggling students. The quizzes were quick ways to assess what you know. I found the drawing, like the ones showing small/large force = small/large accelaration to be helpful in getting Newton's Second Law across. Activites were similar to those we did at the PISA 2009 Summer Institiute, such as the straw and balloon activity, so it served as a great refresher course!

Sat Mar 13, 2010 4:29 PM
4 Newton's First Law
I found the tutorial helpful in that it addressed several misconceptions that younger students have. For example, while most students understand that an unbalanced force will aid in moving an object, they tend to become confused about why an object stops moving. They may believe that a soccer ball that has been kicked will keep going until someone stops it.If they observe the ball stopping by itself, they assume the ball has simply run out of energy. Newton's First Law helps students understand that an object will keep on doing what it's doing until a force is applied. Activities we did at the PISA 2009 Institute were helpful in getting the point across. This tutorial served as a refresher for some of those activities, as well as provided me with simpler ways to state Newton's First Law.