1. Electrostatics demonstration. Upward lightning, Toronto Lightning storm, slo mo lightning, Tesla coils at Coachella
2. Run this simulation to answer the following questions:
1. Click the Add button to add a charge. Draw the field with the arrows an charge in your notes. Is the charge positive or negative? Click Properties to see if you are right.
2. Click Add to add another charge and explain what happens. Do they attract or repel each other? Is the new charge positive or negative? How do you know?
3. Reset, then add a negative and a positive charge. Do the charges repel or attract each other? Pause the simulation when the charges are far apart from each other and draw the charges and field in your notes. Label which charge is positive and which is negative.
4. Reset, grab the External Field arrow and have the field point to the right. Add a negative charge. Explain where the charge moves. (in the direction of the field or opposite?). Draw a picture and write this as a statement in your notes that will help you remember it on a quiz.
5. Reset and add a positive charge. Make the external field point to the right and explain where the charge goes.
6. Answer the following question: ______ charges move in the same direction as an electric field and _________ charges move in the opposite direction a field is pointing.
3. Static Shock!
Run this simulation to see how static shocks work.
What happens when you rub John’s foot on the floor?
What happens to the charge when you bring John’s finger near the door handle?
4. Hockey
Play Electric Field Hockey and see what level you can reach. Draw level one in your notes, with all the charges, the field arrows, and show the path of the puck.