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the world of science

vocab. for 6th grade

convection the transfer of thermal energy by the movement of fluid.
conduction the direct transfer of thermal energy from one substance to another substance that is touching.
Earth Science the science that focuses on planet earh and it's place in the universe.
radiation th direct transfer of energy through space by electromanetic waves.
system a group of related parts that work together.
current from one part of the fluid to another.
energy the ability to work or cause change.
destuctive force a force that slowly wears away mountains and other features on the surface of the earth.
constuctive force a force that bulids up moutains and land masses on earth's surface.
hypothesis a possible explaination for a set obervations or answer to question.
controlled experiment a factor that can change in experiment.
varible a factor that can change in a experiment.
manipulated varible the one fator that a scientest changes during an experiment.
mass the amount of matter in object.
volume the amount of three-dimensial space.
density the amount of mass of a substance in a given volume.
gram metrc unit used to measure mass.
tripple beam balence a scale with three beams that is used to measure mass.
heat the transfer of thermal energy from one object to another.
Created by: Grace1206