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Unit 2 L3

QuestionAnswer
How does friction charge an object? The transfer of electrons that occurs when two substances are rubbed together. This results in the build-up of stationary electric charges on both objects
What are Protons? Positive Charges
What are Electrons? Negative Charges
What is the Electrostatic Series (also known as the triboelectric series) A list used tor determine the kind of charge (positive or negative) produced on each substance when any two substances (from the list) are rubbed together.
What happens to substances higher on the Electrostatic Series list? They LOSE electrons and become POSITIVELY charged.
What happens to substances lower on the Electrostatic Series list? They GAIN electrons and become NEGATIVELY charged.
What does the arrow on the Electrostatic Series show? The arrow shows the direction of increasing tendency to gain electrons (electron affinity).
What is Electron Affinity? The tendency to gain electrons.
What is effect of Grounding a charged object? It is used to remove the excess charge from a charged object by making it neutral.
How do you Ground and Object? It involves connecting the object in some way to the Earth.
What is A Conductor? Give an Example. A material that allows electrons (electricity) to flow through it easily. Metals, such as aluminum or copper.
What is an Insulator? Give an Example. A material that does not allow electrons (electricity) to flow through it easily. Plastic, wood, glass…
What can Conductors be used for? Allow us to control the path of electrons.
What are Insulators used for? Protect us from being electrocuted.
What is an Electric Force? The force of attraction or repulsion exerted by an object with an electric charge.
What is The Law of Electric Charges state:? 1) Like charges REPEL. 2) Opposite charges ATTRACT. 3) Neutral and charged objects ATTRACT. 4) Neutral objects NEITHER REPEL NOR ATTRACT. 5) The closer the objects are, the more they feel attraction/repulsion.
Created by: user-1822632
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