P1 PART1 0.0 / 5 ? SciencePhysicsGCSEOCR Created by: kieranbell2001Created on: 18-05-16 09:15 What is the meaning of temperature temperature is the hotness of a object 1 of 10 what colours on a thermogram show where something is hot yellow, white, orange 2 of 10 what colours on a thermogram show where something is cold dark blue, purple, black 3 of 10 What is specific latent heat the energy needed to boil or melt 1kg of material 4 of 10 What is specific heat capacity? the energy needed to raise the temperature of 1kg by 1'C 5 of 10 What is the equation for finding the energy transferred? energy transferred = mass x SHC x temperature change 6 of 10 Why does the temperature not change when something is changing state the energy is needed to break the bonds that hold the molecules together. 7 of 10 what is the equation to calculate density? density = mass/volume 8 of 10 What is refraction when transmitting signals when the speed of waves decrease as the wave enters a more dense medium and increases at the wave enters a less dense medium. 9 of 10 What is diffraction when transmitting signals diffraction is the sspreading out of a wave as it passes through a gap. 10 of 10
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