Coulomb's Law Concepts

What does the q represent in coulomb's law?

• charge

• coulombs

• force

• distance

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NGSS.HS-PS2-4

What does the K represent in Coulombs law?

• 10 x 9 ^10

• 9 x 10 ^9

• 9 x 10 ^6

• 10 x 9 ^10

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What happens when two pieces of tape with the same charge are brought close to each other?

• Nothing happens

• They attract each other

• They neutralize each other's charge

• They repel each other

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What is static electricity?

• Electricity generated by static objects

• A type of current electricity

• A form of electricity that powers devices

• An imbalance of electric charge on the surface of an object

What are free electrons?

• Electrons that are not bound to atoms

• Electrons that can move freely in a material

• Electrons in the nucleus of an atom

• Protons that move freely

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NGSS.HS-PS2-5

What distinguishes a conductor from an insulator?

• Insulators allow electrons to move freely

• Conductors can hold more electrons

• Conductors allow free movement of electrons

• Insulators generate electricity

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What is charging by friction?

• Charging an object by placing it on the ground

• Creating a charge by splitting an atom

• Transferring charge by rubbing two objects together

• Generating charge by moving an object through air

What does grounding do to a charged object?

• It charges the object further

• It neutralizes the object

• It polarizes the object

• It insulates the object

What happens when a positively charged rod is brought near a neutral metal rod?

• The metal rod becomes polarized

• The metal rod becomes positively charged

• The metal rod remains neutral

• The metal rod becomes negatively charged

What is Coulomb's Law used for?

• To determine the speed of electrons

• To calculate the force between two charged particles

• To find the temperature of a conductor

• To measure the weight of an object

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NGSS.HS-PS2-4