Download Physical Science – Final Exam Study Guide

Physical Science – Final Exam Study Guide
Motion
Distance vs. displacement
Calculate speed (need to know formula)
Define velocity (has direction!)
Know formula for acceleration
Calculate acceleration problems
If you are on a merry go round at a constant speed, are you accelerating? Why or why not?
Forces
Define force
Define inertia
Know Newton’s 3 laws
Calculate problems with F = ma
Define terminal velocity
Define gravity
Close to earth’s surface, what is the acceleration of a falling object in free fall?
Work weight problems
Work momentum problems
Energy
Kinetic vs. potential energy
Work kinetic vs. potential energy problems
Types of potential energy
Work gravitational potential energy problems
Law of conservation of energy / energy transformations (examples)
Mechanical energy (you should know ME = PE + KE)
Pendulum lab
Work
Define work
Calculate work problems (know units for force & work)
Define power
Work power problems
Electricity
Static electricity (types)
What charges attract / repel
Conductors vs. insulators
Is lightening an example of static electricity? Is it friction, conduction, or induction?
Define electric current
Define voltage difference – what is it measured in?
Define current
Define resistance
Factors that affect amount of resistance?
Ohm’s Law (know units for each) & be able to work problems
Series vs. parallel circuits
Purpose / functioning of fuses & circuit breakers
Direct vs. alternating currents
Magnetism
Define magnetic field
Define magnetic poles
Recognize magnetic field lines & how they are distributed
Magnetic field direction
Moving charges & magnetic fields – how are they related?
Waves
Define a wave
Mediums – sound, ocean waves, vs. light
Transverse waves vs. compression waves
Are sound waves compression, transverse, or both?
Are seismic waves compression, transverse, or both?
Know all parts of a wave (crest, trough, wavelength, frequency, period, amplitude)
What is a rarefaction / compression?
Does wavelength of a wave increase or decrease as the frequency increases?
Wave speed (sound through liquids, solids, gases & light?)
Calculate wave speed
Formulas provided:
Weight (N) = mg
P=mv
KE = ½ mv2
GPE = mgh
Work = Fd
Power = w/t
I = V/R