front 1 Heat | back 1 The thermal energy contained in an object |
front 2 Temperature | back 2 A measure of the average KE of a particle |
front 3 When heat energy is transferred to an object, its temperature will... | back 3 Increase |
front 4 Temp rise will be effected by... | back 4 The mass of the material What the material is The amount of thermal energy supplied to the material |
front 5 Definition of SCH | back 5 The amount of heat energy needed to raise |
front 6 Equation for SHC | back 6 E = m x c x delta theta |
front 7 What are theunitx of the equation for SHC | back 7 J / kg / °c |
front 8 What does SCH mean? | back 8 Different materials need different amounts of thermal energy to raise their temp By heating 1 Kg of material u can compare |
front 9 How do you measure the SHC of metals? | back 9 Heat a 1 kg block of metal Measure the temp rise every minute Calculate the thermal energy gained by using the formula |
front 10 Equation for the change in thermal energy... | back 10 P.d x current x time (power x time) |
front 11 Is the SHC of water high or low? | back 11 Very high |
front 12 Specific latent heat | back 12 The heat energy required to make 1 kg of substance change state at a constant temperature |
front 13 SLH equation | back 13 Energy = mass x Specific heat capacity |
front 14 Calculating % uncertainty | back 14 Your value for L - accepted value for L Divide the answer by the accepted value Multiple by 100 |
front 15 Pressure equation | back 15 Pa = height × density of fluid × gravitational field strength |
front 16 Gas pressure equation | back 16 P = F / A |
front 17 pressure... | back 17 The force applied per unit surface |
front 18 Is pressure indirectly or directly proportional to volume? | back 18 Indirectly |
front 19 What is the equation for pressure and volume? | back 19 PV = a constant |
front 20 Pressure equation | back 20 P = F / A |
front 21 Density equation | back 21 Density = mass ÷ volume |
front 22 Why does an object flow? | back 22 Because its density is less than the density of liquid |
front 23 Rutherfords experiment... | back 23 R fired alpha particles at a thin piece of gold foil The plum pudding model would predict that all would pass through R found that a few bounced back |
front 24 What was rutherfords conclusion? | back 24 A very small central nucleus with a positive charge Nearly all the mass is in the nucleus Negative charges orbiting at a relatively large distance from the nucleus |