Unit SE Activity 4 To show and then play a movie, click on the arrow or the movie title/description. Repeat to hide it. Exploration #1, STEP 1:  Touching a positively (+) charged acrylic sheet to the base end of a metal soda-can electroscope and a plastic water-bottle electroscope. Exploration #1, STEP 1: Touching a positively (+) charged acrylic sheet to the base end of a metal soda-can electroscope and a plastic water-bottle electroscope. Exploration #1, STEP 2:  Testing the tinsel on the two electroscopes. Exploration #1, STEP 2: Testing the tinsel on the two electroscopes. Exploration #1, STEP 3:  Simulation of touching a positively (+) charged acrylic sheet to the base end of a metal electroscope. Exploration #1, STEP 3: Simulation of touching a positively (+) charged acrylic sheet to the base end of a metal electroscope. Exploration #2, STEP 2:  Touching a finger to the base end of charged metal and plastic electroscopes. Exploration #2, STEP 2: Touching a finger to the base end of charged metal and plastic electroscopes. Exploration #2, STEP 3:  Discharging a positively (+) charged acrylic sheet and a negatively (-) charged Styrofoam plate. Exploration #2, STEP 3: Discharging a positively (+) charged acrylic sheet and a negatively (-) charged Styrofoam plate. Exploration #2, STEP 4:  Charging a plastic coffee stirrer and then dipping it in water. Exploration #2, STEP 4: Charging a plastic coffee stirrer and then dipping it in water. Return to Unit SE Resources Page Copyright © 2020 Next Gen PET