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32 terms

5th Grade Science Vocabulary Words

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