physics test revision exam

Description

Mind Map on physics test revision exam, created by Ashley Hadfield on 28/02/2017.
Ashley Hadfield
Mind Map by Ashley Hadfield, updated more than 1 year ago
Ashley Hadfield
Created by Ashley Hadfield about 7 years ago
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Resource summary

physics test revision exam
  1. changing of state + slh
    1. liquid
      1. random pattern
        1. atleast 50% are touching one another
          1. can be poured
            1. medium force of attraction
            2. solid
              1. organized
                1. strong forces of attraction
                  1. vibrate on the spot
                  2. gas
                    1. move in a rapid, random motion
                      1. weak force of attraction
                        1. unorganized/ don't touch
                        2. changing state
                          1. melting: solid - liquid
                            1. evaporation: liquid - gas
                              1. freezing: liquid - solid
                                1. condensation: gas - liquid
                                  1. sublimation: solid - gas
                                    1. deposition: gas - solid
                                    2. density formula's
                                      1. d= m/v
                                        1. v = m/d
                                          1. m = d * v
                                          2. specific latent heat
                                            1. specific latent heat of fusion
                                              1. --->

                                                Annotations:

                                                • Is the amount of energy needed to change the state of 1kg of a substance from a solid to a liquid
                                              2. specific latent heat of vaporisation
                                                1. --->

                                                  Annotations:

                                                  • is the amount of energy needed to change the state of 1kg of liquid into a gas.
                                                2. e = m x l
                                                  1. m = e/l
                                                    1. l = e/m
                                                  2. heating/ cooling curves
                                                    1. straight lines = changing state
                                                      1. portrait line = increasing temperature
                                                    2. pressure + energy
                                                      1. equation
                                                        1. f= p /a
                                                          1. p = f x a
                                                            1. a = p / f
                                                            2. physics in balloons
                                                              1. inflating

                                                                Annotations:

                                                                • the particles have no where to go so they collide with the wall of the balloon to create an exit with a large pressure.
                                                                1. constant size

                                                                  Annotations:

                                                                  • a balloon stays the same size because particles on the other side of the balloon are trying to enter balancing the amount of pressure exerted on the balloon
                                                                  1. deflates

                                                                    Annotations:

                                                                    • the particles find an exit and escape the balloon this decreases the pressure exerted on the balloon
                                                                  2. p1 v1 = p2 v2
                                                                    1. pv = constant
                                                                    2. insulation
                                                                      1. best insulater = highest temperature in beaker
                                                                        1. low temperature = heat into atmosphere
                                                                          1. no insolation - so you can compare results
                                                                          2. heat capacity
                                                                            1. formula

                                                                              Annotations:

                                                                              • Change in thermal energy = mass x specific heat capacity x temperature difference.
                                                                              1. objects heat capacity

                                                                                Annotations:

                                                                                • copper = 390 j/kg oc water = 4200 j/kg oc
                                                                                • mass = 1 kg
                                                                            2. energy stores
                                                                              1. elastic

                                                                                Annotations:

                                                                                • stored in stretchy materials  e.g spring, elastic band elastic - gravitational potential
                                                                                1. gravitational potential

                                                                                  Annotations:

                                                                                  • The closer to the ground the less gravitational potential it has, e.g books, Gravitational - thermal when heated
                                                                                  1. magnetic

                                                                                    Annotations:

                                                                                    • stored in a magnetic field, magnets
                                                                                    1. kinetic

                                                                                      Annotations:

                                                                                      • affected by the objects mass and speed, e.g: bullet, plane, car
                                                                                      1. chemical

                                                                                        Annotations:

                                                                                        • can be converted into other energy sources, e.g batteries, oil, coal, food
                                                                                        1. thermal

                                                                                          Annotations:

                                                                                          • very hot, able to change an objects state, e.g lava
                                                                                          1. nuclear

                                                                                            Annotations:

                                                                                            • is an energy found in nucleus' which is released when the atom splits, E.g: iranium, sun.
                                                                                          2. transferring stores
                                                                                            1. e.g sun: nuclear - thermal
                                                                                              1. e.g trampoline : elastic - kinetic
                                                                                              2. efficiency

                                                                                                Annotations:

                                                                                                • efficiency = useful output energy transfer / total imput energy transfer.
                                                                                                1. e = u.o / t.i
                                                                                                  1. u.o = e x t.i
                                                                                                    1. t.i = u.o / e
                                                                                                  2. energy resources
                                                                                                    1. renewable
                                                                                                      1. bio - fuel

                                                                                                        Annotations:

                                                                                                        • Lower fuel prices, carbon neutral. Food shortages, fossil fuels needed for the fertilizer.
                                                                                                        1. solar

                                                                                                          Annotations:

                                                                                                          • small, portable, no pollution, renewable! depends on light intensity!
                                                                                                          1. wind

                                                                                                            Annotations:

                                                                                                            • low running costs, no pollution, renewable noisy, expensive, spoils view, depends on the wind!
                                                                                                            1. hydroelectricity

                                                                                                              Annotations:

                                                                                                              • Renewable, no pollution, no fuel costs, stored for when needed! expensive, large amount of land, ruin the environment! 
                                                                                                              1. tidal

                                                                                                                Annotations:

                                                                                                                • renewable, no pollution, reliable, cheap once built! expensive to build, can cause flooding, not strong enough waves!
                                                                                                                1. Geothermal

                                                                                                                  Annotations:

                                                                                                                  • renewable, no pollution, no environment damage! Expensive, few places were it works!
                                                                                                                  1. wave power

                                                                                                                    Annotations:

                                                                                                                    • renewable, no pollution, uses lots of energy, expensive,
                                                                                                                    1. produce no pollution
                                                                                                                    2. non - renewable
                                                                                                                      1. oil
                                                                                                                        1. coal
                                                                                                                          1. gas
                                                                                                                            1. nuclear
                                                                                                                              1. heating, transport, electricity
                                                                                                                                1. cheap, reliable, concentrated
                                                                                                                                  1. limited, produces greenhouse gasses
                                                                                                                                2. kinetic energy
                                                                                                                                  1. Ek= 0.5 *m*v2
                                                                                                                                    1. v= velocity
                                                                                                                                      1. m/s
                                                                                                                                      2. m= mass
                                                                                                                                        1. kg
                                                                                                                                        2. Ek = kinetic energy
                                                                                                                                          1. j
                                                                                                                                          2. m=ke/0.5 * v2
                                                                                                                                            1. v2 = ke/ m*0.5
                                                                                                                                          3. work done= force * distance
                                                                                                                                            1. force = n
                                                                                                                                              1. distance = m
                                                                                                                                                1. work done = j
                                                                                                                                                  1. f = wd/ d
                                                                                                                                                    1. d= wd/ f
                                                                                                                                                    2. ep=m*g*h
                                                                                                                                                      1. ep= Gravitational potential energy
                                                                                                                                                        1. j
                                                                                                                                                        2. m = mass
                                                                                                                                                          1. kg
                                                                                                                                                          2. h = height
                                                                                                                                                            1. m
                                                                                                                                                            2. g= gravitational field strength
                                                                                                                                                              1. n/kg
                                                                                                                                                              2. g=ep/m*h
                                                                                                                                                                1. h=ep/m*g
                                                                                                                                                                  1. g=ep/m*h
                                                                                                                                                                  2. p=d*f/t
                                                                                                                                                                    1. p=power
                                                                                                                                                                      1. w
                                                                                                                                                                      2. d= distance
                                                                                                                                                                        1. m
                                                                                                                                                                        2. f= force
                                                                                                                                                                          1. n
                                                                                                                                                                          2. t=time
                                                                                                                                                                            1. seconds
                                                                                                                                                                            2. d=p*f/t
                                                                                                                                                                              1. f=p*d/t
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