Download Group 1: Magnetism

Group 1: Magnetism (Part 1)
 Explain and describe Magnetism
 Explain and describe magnetic poles
 Explain and describe magnetic fields
 Explain the nature of a magnetic field
 Explain magnetic domains and how they relate to magnetism
 Explain how an object becomes magnetized and un-magnetized
 Describe the relationship between electric currents and magnetic fields
 Discuss electromagnets and their uses
Group 2: Magnetism (Part 2)
 Explain and describe magnetic forces on moving charged particles
 Describe what these forces do and can be used for
 Define and explain magnetic forces on current-carrying wires
 Discuss and describe the galvanometer and how it works
 Explain and describe how a galvanometer can be used as an ammeter or voltmeter
 Explain and describe how a galvanometer can be modified to be an electric motor and how
DC motors work
 Describe and discuss the Earth’s magnetic field
 Explain and discuss the reversals of the Earth’s magnetic field
Group 3: Electromagnetic Induction (Part 1)
 Explain and describe electromagnetic induction
 Explain and discuss what affects the induced voltage and currents
 Explain and describe Faraday’s Law of Induction
 Explain and describe generators
 Describe and discuss how generators produce alternating current
 Discuss and compare the electric motor and the electric generator
Group 4: Electromagnetic Induction (Part 2)
 Explain and describe what transformers are and how they are made
 Define and discuss the primary and secondary coils of a transformer and the relationship
between voltage and the number of turns
 Discuss the relationship of power between the two coils and how voltage can be stepped up
or stepped down in a transformer
 Describe and discuss power transmission and the use of transformers
 Explain and describe the induction of electric and magnetic fields
 Define, describe and discuss the electromagnetic wave
 Discuss Maxwell’s discovery and its implications
Group 5: Special Relativity (Part 1)
 Explain and describe the background to Einstein’s theories
 Explain and describe the concept of spacetime
 Explain and describe relative motion and the constancy of the speed of light
 Explain and describe the first and second postulates of special relativity
Group 6: Special Relativity (Part 2)
 Explain and describe time dilation
 Explain and describe the twin trip and how time is different in different frames of motion
 Explain and describe the reality of space and time travel
Group 7 : Special Relativity (Part 3)
 Explain and describe why the speed of light is the universal speed limit
 Explain, describe and discuss length contraction
 Describe and discuss relativistic length contraction mathematically
 Explain and describe the mass-energy relationship
 Describe and discuss nuclear reactions in terms of the energy-mass relationship
 Explain and define relativistic momentum and how it relates to light being the universal
speed limit and the ability to deflect subatomic particles
 Explain and discuss relativistic kinetic energy
 Describe and discuss the correspondence principle and how it pertains to Einstein’s theory