Topic 1 Key Terms 0.0 / 5 ? PhysicsMatterGCSEOCR Created by: 14moorejohnCreated on: 05-10-18 18:23 The centre of an atom that contains the protons and neutrons Nucleus 1 of 20 Measure of the amount of substance per unit volume Density 2 of 20 When the particles at the surface of a liquid has enough energy to become a gas vapour Evaporate 3 of 20 When the particles at the surface of a liquid has enough energy to become a gas vapour Atom 4 of 20 The basic building block of an element Electron 5 of 20 Energy needed for a substance to change state without changing temperature Latent Heat 6 of 20 Change of state when a solid becomes a gas without going through the liquid state Sublimate 7 of 20 A neutral particle found in the nucleus Neutron 8 of 20 Force per unit area produced by the weight of air Atmospheric Pressure 9 of 20 A positive particle found in the nucleus Proton 10 of 20 Any particle found in the nucleus Nucleon 11 of 20 Change in state from liquid to gas Vaporisation 12 of 20 Energy needed to raise the temperature of 1kg of material by 10C Specific heat capacity 13 of 20 Number of protons in the nucleus of an atom of an element Atomic number 14 of 20 What happens to an object when a pushing force is applied Compressed 15 of 20 Resultant upward force that a liquid or gas exerts on an object due to pressure differences Upthrust 16 of 20 Atom of an element containing same number of protons but different number of neutrons Isotope 17 of 20 When a gas turns into a liquid Condense 18 of 20 Energy needed to change 1kg of solid to liquid without any temperature change Specific latent heat of fusion 19 of 20 Total number of neutrons and protons in the nucleus of an atom Mass number 20 of 20
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