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Science Unit 2 vocab

Energy the ability to do work or cause a change
matter can neither be created or destroyed. anything that has mass and takes up space
law of conservation of matter during any physical or chemical change, the mass of products is equal to the total mass of the reactants
law of conservation of energy energy can not be created nor destroyed, only can convert or be transferred
second law of thermodynamics how energy moves from place to place
solid have a definite shape and volume
liquid has definite volume and a variable shape
gas has variable shape and volume
melting make or become liquified by heat
freezing be turned into a solid as a result of extreme cold
condensing to change from a gas or vapor to a liquid
evaporation the change of state from a liquid to a gas
phase changes a change from one state of matter to another
latent heat existing but not yet developed
radiation energy that is transferred by light
convection movement of matter due to temperatures
conduction the transfer of energy as heat through a material
air pressure the force exerted onto a surface by the weight of the air
pressure gradients the change of pressure per unit distance
convection currents/cells a current in a fluid that results from convection
thermohaline currents ocean circulation that is driven by differences in temperature
salinity a measure of dissolved salts in a given amount of liquid
specific heat capacity the heat required to raise the temperature of a given substance by a given substance
Created by: Kerb