5th Grade Science Vocabulary Words – Flashcards
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MATTER
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anything that has mass and takes up space
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PHYSICAL PROPERTIES
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the characteristics of a substance
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MASS
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the amount of matter in an object
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WEIGHT
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pull or gravity on an object
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VOLUME
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the amount of space an object takes up
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DENSITY
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the concentration of matter in an object
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SOLUBILITY
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the ability of a substance to dissolve
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SOLID
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a sample of matter that has definite shape and volume
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LIQUID
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a sample of matter that has definite volume, but no shape
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GAS
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a sample of matter that has no definite shape or volume
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EVAPORATION
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the process of a liquid turning into a gas
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CONDENSATION
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the process by which matter changes from a gas (or vapor) to a liquid
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REFLECTION
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the light energy that bounces off objects
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REFRACTION
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the bending of light rays when they pass through a substance
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LENS
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a piece of clear material that bends, or refracts light rays passing through it
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PITCH
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an element of sound determined by the speed in which sound waves move
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VOLUME
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the amount of space that an object takes up
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TEMPERATURE
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the average kinetic energy of all the molecules in an object
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HEAT
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the transfer of thermal energy from one substance to another
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CONDUCTION
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the direct transfer of heat between objects that touch
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CONVECTION
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the transfer of heat as a result of a mixing of a liquid or a gas
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RADIATION
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the transfer of thermal energy by electromagnetic waves
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ELECTROMAGNET
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a current in a wire that produces a magnetic field around the wire
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ENERGY
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the ability to cause changes in matter
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FRICTION
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the force that opposes, or acts against, motion when two surfaces rub against each other
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INSULATORS
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a material that does not allow electrons to flow through it
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WORK
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the use of force to move an object through a distance
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KINETIC ENERGY
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the energy of motion
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POTENTIAL ENERGY
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the energy an object has because of its place or its condition
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CONDUCTOR
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a material that allows electrons to flow through it easily
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ELECTRIC CURRENT
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the path along which electrons flow
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VOLUME
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the loudness of sound
