ENERGY AND ELECTRICITY

Kieran C
Mind Map by Kieran C, updated more than 1 year ago
Kieran C
Created by Kieran C over 6 years ago
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HOPE THIS HELPS THIS IS ALL YOU WILL NEED TO KNOW FOR YOUR YEAR 9 ENERGY AND ELECTRICITY EXAM
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ENERGY AND ELECTRICITY
1 FORMS OF ENERGY
1.1 MAGNETIC
1.1.1 MAGNETS AND ELECTROMAGNETS
1.2 KINETIC
1.2.1 THE ENERGY IN MOVING OBJECTS
1.3 HEAT
1.3.1 THERMAL
1.4 LIGHT
1.4.1 RADIATION
1.5 GRAVITATIONAL POTENTIAL
1.5.1 STORED ENERGY IN RAISED OBJECTS
1.6 CHEMICAL
1.6.1 FOOD:FATS
1.7 SOUND ENERGY
1.7.1 ENERGY IS RELEASED IN VIBRATING OBJECTS
1.8 ELECTRICAL
1.8.1 ENERGY IN MOVING OR STATIC ELECTRICAL CHARGE
1.9 ELASTIC POTENTIAL
1.9.1 ENERGY STORED IN STRETCHED OR SQUISHED OBJECTS
1.10 NUCLEAR
1.10.1 STORED IN THE NUCLEAS OF ATOMS
2 DEFINITION OF
2.1 VOLTAGE
2.1.1 THE AMOUNT OF PUSH A CELL OR BATTERY HAS
2.1.1.1 POTENTIAL DIFFERANCE BETWEEN VOLTAGE LEVELS BEFORE AND AFTER A RESISTOR OF SOME SORT
2.1.1.1.1 HARD TO PASS THROUGH SOMETHING E.G. LIGHT BULB
2.1.2 VOLTS IS THE MESUREMENT
2.2 CURRENT
2.2.1 HOW EASY IT IS TO PUSH THE ELECTRONS ROUND A CIRCUIT
3 DIFFERENT CIRCUITS
3.1 PARALLEL
3.1.1 BULBS HAVE THERE OWN SEPERET CIRCIUT IN THE CURCIT
3.1.1.1 BULBS ARE ALL THE SAME BRIGHTNESS
3.1.1.1.1 IF ONE BLOWS THE OTHERS WONT AS IT ISNT THE MAIN CIRCIUT PART
3.2 SEIRES
3.2.1 ALL THE BULBS ARE ON THE SAME LOOP
3.2.1.1 CAUSES DIMMER SECOND BULB
3.2.1.1.1 AS THE ELECTRONS HAVE GOT HALF THE ELECTRICITY THEY STARTED WITH
3.2.1.1.1.1 IF ONE BLOWS THEY ALL BLOW AS THE ELECTRONS NEED TO PASS THROUGH ALL THE BULBS TO COMPLETE THE CIRCUIT
3.3 CELL IS A SINGLE BATTERY
4 EQUATIONS
4.1 THE TRIANGLE
4.1.1 V=I X R
4.1.2 R = V/I
4.1.3 I= V/R
4.2 OHMS LAW
4.2.1 V = IR
5 METHODS OF ELECTRICITY GENERATION
5.1 WIND
5.1.1 TURBINE
5.2 HYDROELECTRIC
5.2.1 GEP
5.3 WAVE
5.4 NEUCLEAR
5.4.1 BOOM!
5.5 SOLAR
5.5.1 PARALEL PHOTOVOLTIV CELL
5.6 FOSSIL FUELS
5.6.1 POLLUTION
5.7 BIOMASS
5.7.1 MAKES STEM TO POWER TURBINE
5.7.2 WOOD, DUNG
5.8 GEOTHERMAL
5.8.1 HEAT FROM THE EARTH
6 THE ELECTRICITY NETWORK
6.1 FROM PLANT
6.1.1 TO TRANSFUSER
6.1.1.1 TO NATIONAL GRID
6.1.1.1.1 TO OUR HOMES
6.1.1.1.1.1 TO OUR APPLIANCES
6.1.1.1.1.1.1 (ALL APPLIANCES WILL ALSO HAVE A TRANSFUSER IN TOO)
6.1.1.2 (MAKES IT SAFE)
7 ENERGY CHANGING
7.1 A LIGHT BULB MIGHT CREATE 10% LIGHT ENERGY BUT 90% HEAT ENERGY
7.1.1 THIS WOULD BE LESS EFFIECENT
7.1.2 COMMENLY HEAT IS THE WASTE PRODUCT
7.2 WE SHOW ENERGY USES IN A N ENERGY FLOW DIAGRAM
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