Grade 9 Electrostatics Worksheet
This worksheet covers fundamental concepts of electrostatics for Grade 9 science students, including charge, forces, and methods of charging.
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Grade 9 Electrostatics Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following statements about electric charges is true?
Like charges attract, opposite charges repel.
Like charges repel, opposite charges attract.
All charges attract each other.
All charges repel each other.
2. An object that has gained electrons is said to be:
Positively charged
Negatively charged
Neutrally charged
Uncharged
1. Charging by induction requires direct contact between the charged object and the neutral object.
True
False
2. An electroscope is a device used to detect and measure electric charge.
True
False
1. The law of conservation of charge states that the total electric charge in an isolated system constant.
2. Materials that allow electric charges to move freely through them are called .
3. is the process of charging a neutral object by bringing a charged object nearby without direct contact.
1. Describe the difference between a conductor and an insulator. Provide an example of each.
2. Explain how a balloon can stick to a wall after being rubbed on hair.
Observe the image of the electroscope below and answer the question.
3. If a negatively charged rod is brought near the top knob of an uncharged electroscope, what will happen to the leaves? Explain why.