Students in Mrs. Hardin’s class place items in an electrical circuit to determine if they are conductors or insulators. The students work in groups and record whether each item is a conductor or an insulator.
What type of scientific investigation are the students performing?
A conducting a controlled experiment on conductors and insulators
B making observations of conductors and insulators
C comparing the value of different conductors and insulators
D doing background research on conductors and insulators
