Part 1:
You are asked to make observations throughout the procedure and to record them.
In step 1C you are asked to make predictions before performing the test
Questions:
What happened when you brought the rubbed ruler close to the paper, salt, and pepper?
Were all three substances affected equally?
What explanations can you offer for why this happened?
What explanations can you offer for why this happened?
What combinations of cloth and ruler seemed to produce the greatest effects?