From 55244727b4698ca907f5925504d5402935583cde Mon Sep 17 00:00:00 2001 From: Alexander Wang <0x045f@gmail.com> Date: Thu, 9 May 2019 18:13:08 +0000 Subject: [PATCH] Update Unit_4_Physics_Study_Sheet.md --- .../SNC1DZ/Unit_4_Physics_Study_Sheet.md | 49 ++++++++++++++++++- 1 file changed, 48 insertions(+), 1 deletion(-) diff --git a/Grade 9/Science/SNC1DZ/Unit_4_Physics_Study_Sheet.md b/Grade 9/Science/SNC1DZ/Unit_4_Physics_Study_Sheet.md index 7580450..2bb7dbb 100644 --- a/Grade 9/Science/SNC1DZ/Unit_4_Physics_Study_Sheet.md +++ b/Grade 9/Science/SNC1DZ/Unit_4_Physics_Study_Sheet.md @@ -1 +1,48 @@ -# Unit 4: Physics \ No newline at end of file +# Unit 4: Physics +Alexander Wang +Ms.Keras +SNC1DZ-01 +2019-05-08 + +**SCIENCE — ELECTRICITY UNIT** +* Electricity Word List +* Static Electricity — an imbalance of electric charge on the surface of an object +* Electron — a negatively charged particle in an atom +* Proton — a positively charged particle in the atom’s nucleus +* Electric charge — a form of charge, either positive or negative, that exerts an electric force +* Neutral charge — an object that has equal numbers of protons and electrons +* Negatively charged object — an object that has more electrons than protons +* Positively charged object — an object that has fewer electrons than protons +* Electric force — the force exerted by an object with an electric charge; can be a force of attraction or a force of repulsion +* Induced charge separation — a shift in the position of electrons in a neutral object that occurs when a charged object is brought near it +* Charging by friction — the transfer of electrons between two neutral objects (made from different materials) that occurs when they are rubbed together or come in contact (touch) +* Electrostatic series — a list of materials arranged in order of their tendency to gain electrons +* Charging by conduction — charging an object by contact with a charged object +* Grounding — connecting an object to a large body, like Earth, that is capable of effectively removing an electric charge that the object might have +* Conductor — a material that lets electrons move easily through it +* Insulator — a material that does not easily allow the movement of electrons through it +* Charging by induction — charging a neutral object by bringing another charged object close to, but not touching, the neutral object +* Electric discharge — the rapid transfer of electric charge from one object to another +* Lightning — a bolt of electricity from sky :D +* Current electricity — the controlled flow of electrons through a conductor +* Electric circuit — a continuous path in which electrons can flow +* Switch — a device in an electric circuit that controls the flow of electrons by opening (or closing) the circuit +* Load — the part of an electric circuit that converts electrical energy into other forms of energy +* Electrical energy — the energy provided by the flow of electrons in an electric circuit +* Electric cell — a device that converts chemical energy into electrical energy +* Fuel cell — ? +* Direct current (DC) — a flow of electrons in one direction through an electric circuit +* Alternating current (AC) — a flow of electrons that alternates in direction in an electric circuit +* Electrical power — the rate at which electrical energy is produced or used +* Kilowatt - Hour — the SI unit for measuring electrical energy usage; the use of one kilowatt of power for one hour +* Efficiency — comparison of the energy output of a device with the energy supplied +* Circuit — a way of drawing an electric circuit using standard symbols +* Series circuit — a circuit in which the loads are connected end to end so that there is only one path for the electrons to flow +* Parallel circuit — a circuit in which the loads are connected in branches so that there are two or more paths for electrons to flow +* Potential difference (voltage) — the difference in electrical potential energy per unit charge measured at two different points; measured in volts +* Voltmeter — a device used to measure potential difference (voltage) +* Electrical resistance — the ability of a material to oppose the flow of electric current; measured in ohms +* Ohmmeter — a device used to measure resistance +* Resistor — a device that reduces the flow of electric current +* Ohm’s law — the straight line relationship between voltage and current; R = V/I +