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27 Cards in this Set
- Front
- Back
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In static electricity, opposite charges ______. |
Attract |
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In static electricity, electrons transfer _______ charges to an object. |
Negative |
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Two objects with the same type of charge ______. |
Repel each other |
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Bits of paper stick to a balloon that has been rubbed because of ______. |
Electrical charge |
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Electric force is a vector quantity because it has magnitude and ______. |
Direction |
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If two positive charges are held close together and then released, the chargers will _______ |
Accelerate away |
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An object that is negatively charged has __________ electrons. |
Gained |
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Static electricity is from a word that means ________. |
Staying |
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The safest place to be in a thunderstorm is your _____ |
Car |
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Clothes taken out of the dryer often stick together. This is called _____ _____. |
Static cling |
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What is an example of static electricity? |
Lightning |
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When electrons discharge from an object, where do they normally go? |
Into the ground |
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Why does lightning tend to hit buildings and homes? |
They are the closet point to thunder clouds. |
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Why does rubbing two objects such as plastic and wool together creates a static charge ? |
Electrons are transferred from atoms in one object to another |
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Based on coulombs law, when the distance between two charges is doubled, what happens to the force ? |
Force is 1/4 |
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Based on coulombs law, when the distance between two charges is halved, what happens to the force ? |
Force is 4x |
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Material through which charged particles move readily |
Conductor |
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Material through which the flow of electrical charge is greatly reduced |
Insulator |
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Process of charging by bringing neutral objects near charged object device to detect electric charges |
Charged of Induction |
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Process of charging by touching neutral object to charged object |
Charged of Conduction |
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Total electric charge in a system is not lost or gained only transferred |
Conservation of charge |
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Object that has no net electric charge |
Neutral |
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Object that has an unbalanced of positive and negative electrical charges |
Charged |
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The force between two charged object in which a stationary charged object experiences an electrical force because of its charge |
Electrical field |
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Lines that represent both the magnitude and the direction of the electrical field |
Electrical field lines |
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Study of properties and results of electrical charges at rest |
Electrostatics |
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Device to detect electric charges |
Electroscope |
