Ch15L1: Electric Charges and Electric Forces

What is the definition of "electric conductor"?

• material in which electric charges easily move

• definite quantity of electricity

• movement of electrically charged particles

• a force that two electrically charged objects apply to each other

What is the definition of "electric discharge"?

• a force that two electrically charged objects apply to each other

• loss of an unbalanced electric charge

• electromagnetic radiation you can see

• definite quantity of electricity

What is the definition of "electric field"?

• a force that two electrically charged objects apply to each other

• measure of how difficult it is for an electric current to flow in a material

• invisible region around a charged object where an electric force is applied

• closed, or complete, path in which an electric current flows

Tags

NGSS.MS-PS2-5

What is the definition of "electric insulator"?

• loss of an unbalanced electric charge

• electromagnetic radiation you can see

• definite quantity of electricity

• material in which electric charges cannot easily move

What is the definition of "electrically charged"?

• having an unbalanced amount of positive charge or negative charge

• having equal amounts of positive charge and negative charge

• measure of how difficult it is for an electric current to flow in a material

• loss of an unbalanced electric charge

Tags

NGSS.MS-PS2-3

What is the definition of "electrically neutral"?

• material in which electric charges easily move

• having equal amounts of positive charge and negative charge

• amount of energy used to move one coulomb of electrons through the circuit

• movement of electrically charged particles

What is the definition of "nucleus"?

• material in which electric charges easily move

• electromagnetic radiation you can see

• basic or essential part; core

• definite quantity of electricity

Tags

NGSS.HS-PS1-8

Which of the following can move from one object to another?

• protons

• neutrons

• electrons

• the nucleus

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which is true of an electrically charged object?

• it has an unequal number of protons and electrons

• it has an unequal number of protons and neutrons

• it has an equal number of protons and electrons

• it contains only neutral particles

What is an electric field?

• the area over which electrons move within an object

• the region around an object where an electric force exists

• the force that two charged objects apply to each other

• the path that electrons take when moving from one object to another

Tags

NGSS.MS-PS2-5