# SNC 1P- Static Electricity Assignment

Name: ______Date: ______

SNC 1P- Static Electricity Assignment

Assignment due date: ______

Complete the following questions about what we have learnt in class so far. You can use your notes. Work on your own. Answer the questions in full sentences.

Knowledge Section

1. Draw a diagram of the atom and label all important structures discussed in class (3 marks)
1. Compare the proton and the electron using the following chart: (3 marks)

Proton / Electron
Location in the atom
Charge
Can it leave the atom?
Options
(Yes or no)
1. State the four Laws of Electric Charge? (2 marks)

1)

2)

3)

4)

1. Define the following terms and provide an example of each: (3 marks)

a) Insulator

______

b) Conductor

______

1. In your own words what does charging by friction mean? (2 marks)

______

Inquiry Section

1. Determine the charge on each object and draw arrows showing whether they will attract or repel. (3 marks)

Charge on Object 1:______Charge on Object 2: ______

Why will they move like this? ______

______

1. A grade nine student decides to test sugar water (which is sugar dissolved in water) to determine if it is a conductor or insulator. When it is hooked up to the piece of equipment in class, the light bulb does not glow. Answer the following questions about this observation:

a) What is the name of the piece of equipment used to determine if a material is a conductor or an insulator? (1 mark)

______

b) Is the material a conductor or an insulator? How do you know based on the observation? (3 marks)

______

______

1. Use the Electrostatic Series to fill in the blanks (4 marks)

a) Glass rod is rubbed on Fur

Material with stronger hold on electrons: ______

Final Charge on glass rod: ______Final Charge on fur: ______

b) Rubber Balloon is rubbed on Human Hair

Material with stronger hold on electrons: ______

Final Charge on glass balloon: ______Final Charge on human hair:______

1. In class when we performed the “stick it to the wall” activity where you rubbed a rubber balloon against your hair. Using everything you have learned about static electricity and the laws of electric charge; explain in detail why the balloon stuck to the small pieces of neutral paper after it had been rubbed on your hair. What type of charging has occurred? (5 marks)

______

______

______

______

1. In the pithball lab you used a negatively charged ebonite rod to charge a pithball by contact. Draw a diagram below to show the neutral pithball and the negative ebonite rod making contact. Use an arrow to show the direction the electrons will move. (4 marks)

After charging by contact the final charge on the ebonite rod will be ______and the final charge on the pithball will be ______.

Knowledge Section
/13 / Inquiry Section
/20 / TOTAL MARK
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