plan and conduct an investigation to determine the strength of an electromagnet (5.4 e)
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compare and contrast a permanent magnet and an electromagnet.
identify a simple problem that can be solved through the development of a new tool or an improved object that uses forces from direct contact or from a distance (2.2 c).
investigate relationships of gravitational or magnetic interactions between two objects that are not in contact with each other (2.2 b)
predict which materials will be attracted to magnets, test the predictions, and create a chart that shows the results, classifying materials as to whether they are attracted to magnets (2.2 b)
explain how electricity is generated by a moving magnetic field.