p1 key facts 0.0 / 5 ? Physicsp1 key factsGCSEAll boards Created by: poppygrace234Created on: 10-11-22 11:38 Who thought that all atoms in an element are the same? Dalton 1 of 30 Who said that atoms look like plum puddings? Thompson 2 of 30 In what model of the atom is it thought to consist of positive mass with negative electrons embedded in it? Plum pudding 3 of 30 Who discovered the nucleus? Rutherford 4 of 30 Who said that the atom is mostly made of empty space? Rutherford 5 of 30 Who fired alpha particles at gold foil? Geiger and Marsden 6 of 30 Who suggested that electrons move in fixed orbits? Bohr 7 of 30 What are the fixed orbits called? Electron shells 8 of 30 What are 1 x 10^-10m in diameter? Atoms 9 of 30 What is the word for how much mass there is in a certain volume? Density 10 of 30 What = mass/volume? Density 11 of 30 what says particles do not appear or dissappear? Law of conservation of mass 12 of 30 what is the average kinetic energy of particles? Temperature 13 of 30 what is the energy in thermal store measured in? Joules 14 of 30 what can change the energy stored to increase the temperature? Heating 15 of 30 What are the changes of state? Physical changes 16 of 30 what type of reaction involve joining atoms together in different ways? Chemical 17 of 30 What is the name for the energy needed to raise the temperature of 1kg of a substance by 1 degree? Specific heat capacity 18 of 30 what depends on the type of material being heated? Specific heat capacity 19 of 30 what is specific heat capacity about? change of temperature 20 of 30 what is specific latent heat about? Change of state 21 of 30 what means per kg specific 22 of 30 what means hidden as the temperature doesn't change when state changes? Latent 23 of 30 When a substance melts or boils what is used to break the forces between the molecules? Energy 24 of 30 what is the energy transfered when 1kg of a substance changes from liquid to gas? Specific latent heat of vaporization 25 of 30 what is the energy transfered when 1kg of a substance changes from liquid to solid? Specific latent heat of fusion 26 of 30 What is the outward force of particles on the inside surface of a container? Gas pressure 27 of 30 what is gas pressure measured in? Pascals 28 of 30 as the temperature of a gas increases what also increases? Pressure 29 of 30 When the temperature increases what particles move faster? Gas 30 of 30
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