Please Check Answers.
4. When a fan is turned on, it changes electrical energy into ______ energy.
A. motion *
B. magnetic
C. gravitational
D. electromagnet
5. An experiment discovered that a particular material was a poor conductor of electricity. This material would most likely be used as an
A. conductor
B. insulator
C. switch
D. resistor *
4. OK, but if I had the choice I would say "mechanical" energy
5. I do not think so. You want a poor conductor for an "insulator".
For a resistance you usually use a reasonable conductor but make it thin.