1) Suppose that a bar magnet is dropped through a vertical solenoid connected to a galvanometer. Explain what you would observe on the galvanometer as the magnet enters, as it is in the middle, and as it leaves the coil. Write out your answer in a clear and well supported paragraph.

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions