Electricity and Magnetism Resource Guide 2025-2026 US Academic Decathlon Flash Cards
Electricity - correct answer Movement of electric charge, primarily via electrons
Magnetism - correct answer The force exerted by magnets when they attract or repel.
Coronal Mass Ejection - correct answer A significant release of plasma from the Sun.
Electric Charge - correct answer A property of particles causing electric force.
Electrons - correct answer Negatively charged subatomic particles in atoms.
Protons - correct answer Positively charged subatomic particles in atomic nuclei.
Coulomb's Law - correct answer Describes the force between two charged particles.
Electric Field - correct answer A region around a charged particle affecting others.
Gauss's Law - correct answer Relates electric fields to charge distribution.
Conductors - correct answer Materials that allow electric charge to flow easily.
Insulators - correct answer Materials that resist the flow of electric charge.
Static Electricity - correct answer Accumulation of electric charge on surfaces.
Voltage - correct answer Electric potential difference between two points.
Ohm's Law - correct answer Voltage equals current times resistance (V=IR).
Power - correct answer Rate at which electrical energy is transferred.
Capacitors - correct answer Devices that store electric charge and energy.
Transformers - correct answer Devices that change voltage levels in circuits.
Electromagnetism - correct answer The interaction of electric currents and magnetic fields.
Electromagnetic Waves - correct answer Waves of electric and magnetic fields propagating.
Speed of Light - correct answer The speed at which light travels in a vacuum.
Electromagnetic Spectrum - correct answer Range of all types of electromagnetic radiation.
Faraday's Law - correct answer Indicates how a changing magnetic field generates electricity.
Earth's Magnetic Field - correct answer Protective magnetic field surrounding the Earth.
Aurora Borealis - correct answer Natural light display in northern latitudes.
Aurora Australis - correct answer Natural light display in southern latitudes.
,Electromagnetic Activity - correct answer Intense energy fluctuations affecting electrical
systems.
Electric Lighting - correct answer Use of electric bulbs for illumination.
Household Appliances - correct answer Electric devices for home tasks, e.g., toasters.
Telegraph Wires - correct answer Wires used for sending telegraphic messages.
Electric Circuits - correct answer Pathways for electric current flow.
Manufacturing Electrification - correct answer Use of electricity in production processes.
Mass Production - correct answer Large-scale manufacturing of goods efficiently.
Radios - correct answer Devices for receiving audio broadcasts.
Battery-less Radios - correct answer Radios powered through electrical outlets.
Electric Current - correct answer Flow of electric charge through a circuit.
Power Outages - correct answer Loss of electrical power supply.
Urban Electrification - correct answer Widespread electricity access in cities.
Suburban Electrification - correct answer Electricity availability in suburban areas.
Electric Tools - correct answer Power tools operated by electricity.
Productivity Improvements - correct answer Increased efficiency in manufacturing processes.
Comfortable Living - correct answer Modern lifestyle enhanced by electricity.
Electric Charges - correct answer Particles with positive or negative electrical properties.
Theoretical Understanding - correct answer Insights into fundamental principles of nature.
Electric Force - correct answer Force that attracts charged objects together.
William Gilbert - correct answer Philosopher who coined 'electric force' term.
Amber - correct answer Material associated with early electric experiments.
Elements - correct answer Fundamental substances making up matter.
Periodic Table - correct answer Chart listing all known chemical elements.
Atom - correct answer Smallest unit of matter, means indivisible.
Hydrogen - correct answer Lightest element, part of water's composition.
Oxygen - correct answer Essential element for respiration, part of water.
, Indivisible - correct answer Characteristic of atoms, cannot be divided further.
Benjamin Franklin - correct answer Founding father known for electricity experiments.
Leyden Jar - correct answer Device that stores and discharges electricity.
Philosophers - correct answer Early thinkers who studied matter and its properties.
Four Elements - correct answer Historical concept: earth, air, fire, water.
Fundamental Properties - correct answer Basic characteristics defining matter's structure.
Electrical Charge - correct answer Property of matter causing it to experience electric force.
Mysterious Force - correct answer Early term for what we now call electric force.
Historical Elements - correct answer Substances once thought to be fundamental.
Divisibility of Matter - correct answer Debate on whether matter can be infinitely divided.
Hypothesis - correct answer Proposed explanation awaiting further evidence.
Cutting Matter - correct answer Process of dividing matter into smaller pieces.
Franklin's Popularity - correct answer Resulted from his scientific contributions before politics.
Declaration of Independence - correct answer Document drafted by Franklin, asserting
American independence.
Kite Experiment - correct answer Franklin's test proving lightning is electrical phenomenon.
Electrical Fire - correct answer Term used by Franklin for electric charge.
Neutrons - correct answer Neutral particles in an atom's nucleus, no charge.
Atom Structure - correct answer Atoms consist of protons, neutrons, and electrons.
Nucleus - correct answer Center of an atom containing protons and neutrons.
Mass - correct answer Fundamental quantity measured in kilograms (kg).
Inertia - correct answer Resistance to changes in motion, related to mass.
Hydrogen Atom - correct answer Simplest atom with one proton and one electron.
Oxygen Atom - correct answer Atom with eight protons and typically eight electrons.
Electric Charge Conservation - correct answer Charge cannot be created or destroyed, only
transferred.
Electric Phenomenon - correct answer Any observable effect related to electric charge.
Electric Neutrality - correct answer Condition of having equal protons and electrons.
Electricity - correct answer Movement of electric charge, primarily via electrons
Magnetism - correct answer The force exerted by magnets when they attract or repel.
Coronal Mass Ejection - correct answer A significant release of plasma from the Sun.
Electric Charge - correct answer A property of particles causing electric force.
Electrons - correct answer Negatively charged subatomic particles in atoms.
Protons - correct answer Positively charged subatomic particles in atomic nuclei.
Coulomb's Law - correct answer Describes the force between two charged particles.
Electric Field - correct answer A region around a charged particle affecting others.
Gauss's Law - correct answer Relates electric fields to charge distribution.
Conductors - correct answer Materials that allow electric charge to flow easily.
Insulators - correct answer Materials that resist the flow of electric charge.
Static Electricity - correct answer Accumulation of electric charge on surfaces.
Voltage - correct answer Electric potential difference between two points.
Ohm's Law - correct answer Voltage equals current times resistance (V=IR).
Power - correct answer Rate at which electrical energy is transferred.
Capacitors - correct answer Devices that store electric charge and energy.
Transformers - correct answer Devices that change voltage levels in circuits.
Electromagnetism - correct answer The interaction of electric currents and magnetic fields.
Electromagnetic Waves - correct answer Waves of electric and magnetic fields propagating.
Speed of Light - correct answer The speed at which light travels in a vacuum.
Electromagnetic Spectrum - correct answer Range of all types of electromagnetic radiation.
Faraday's Law - correct answer Indicates how a changing magnetic field generates electricity.
Earth's Magnetic Field - correct answer Protective magnetic field surrounding the Earth.
Aurora Borealis - correct answer Natural light display in northern latitudes.
Aurora Australis - correct answer Natural light display in southern latitudes.
,Electromagnetic Activity - correct answer Intense energy fluctuations affecting electrical
systems.
Electric Lighting - correct answer Use of electric bulbs for illumination.
Household Appliances - correct answer Electric devices for home tasks, e.g., toasters.
Telegraph Wires - correct answer Wires used for sending telegraphic messages.
Electric Circuits - correct answer Pathways for electric current flow.
Manufacturing Electrification - correct answer Use of electricity in production processes.
Mass Production - correct answer Large-scale manufacturing of goods efficiently.
Radios - correct answer Devices for receiving audio broadcasts.
Battery-less Radios - correct answer Radios powered through electrical outlets.
Electric Current - correct answer Flow of electric charge through a circuit.
Power Outages - correct answer Loss of electrical power supply.
Urban Electrification - correct answer Widespread electricity access in cities.
Suburban Electrification - correct answer Electricity availability in suburban areas.
Electric Tools - correct answer Power tools operated by electricity.
Productivity Improvements - correct answer Increased efficiency in manufacturing processes.
Comfortable Living - correct answer Modern lifestyle enhanced by electricity.
Electric Charges - correct answer Particles with positive or negative electrical properties.
Theoretical Understanding - correct answer Insights into fundamental principles of nature.
Electric Force - correct answer Force that attracts charged objects together.
William Gilbert - correct answer Philosopher who coined 'electric force' term.
Amber - correct answer Material associated with early electric experiments.
Elements - correct answer Fundamental substances making up matter.
Periodic Table - correct answer Chart listing all known chemical elements.
Atom - correct answer Smallest unit of matter, means indivisible.
Hydrogen - correct answer Lightest element, part of water's composition.
Oxygen - correct answer Essential element for respiration, part of water.
, Indivisible - correct answer Characteristic of atoms, cannot be divided further.
Benjamin Franklin - correct answer Founding father known for electricity experiments.
Leyden Jar - correct answer Device that stores and discharges electricity.
Philosophers - correct answer Early thinkers who studied matter and its properties.
Four Elements - correct answer Historical concept: earth, air, fire, water.
Fundamental Properties - correct answer Basic characteristics defining matter's structure.
Electrical Charge - correct answer Property of matter causing it to experience electric force.
Mysterious Force - correct answer Early term for what we now call electric force.
Historical Elements - correct answer Substances once thought to be fundamental.
Divisibility of Matter - correct answer Debate on whether matter can be infinitely divided.
Hypothesis - correct answer Proposed explanation awaiting further evidence.
Cutting Matter - correct answer Process of dividing matter into smaller pieces.
Franklin's Popularity - correct answer Resulted from his scientific contributions before politics.
Declaration of Independence - correct answer Document drafted by Franklin, asserting
American independence.
Kite Experiment - correct answer Franklin's test proving lightning is electrical phenomenon.
Electrical Fire - correct answer Term used by Franklin for electric charge.
Neutrons - correct answer Neutral particles in an atom's nucleus, no charge.
Atom Structure - correct answer Atoms consist of protons, neutrons, and electrons.
Nucleus - correct answer Center of an atom containing protons and neutrons.
Mass - correct answer Fundamental quantity measured in kilograms (kg).
Inertia - correct answer Resistance to changes in motion, related to mass.
Hydrogen Atom - correct answer Simplest atom with one proton and one electron.
Oxygen Atom - correct answer Atom with eight protons and typically eight electrons.
Electric Charge Conservation - correct answer Charge cannot be created or destroyed, only
transferred.
Electric Phenomenon - correct answer Any observable effect related to electric charge.
Electric Neutrality - correct answer Condition of having equal protons and electrons.
