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4th Science 3rd 9 wk
RISD 4th Science 3rd 9 weeks
vocabulary word | definition |
---|---|
conduction | the transfer of thermal energy caused by particles of matter bumping into each other |
convection | the transfer of thermal energy by particles of a liquid or gas moving from one place to another |
solar energy | the energy given off by the sun |
thermal energy | the energy of the motion of particles in matter |
solid | the state of matter that has a definite shape and takes up a definite amount of space |
liquid | the state of matter that takes the shape of its container and takes up a definite amount of space |
gas | the state of matter that has no definite shape and takes up no definite amount of space |
volume | the amount of space that matter takes up |
density | the property of matter that compares the amount of matter that compares the amount of matter to the space it takes up |
solution | a mixture in which the particles of different kinds of matter are mixed evenly with each other and particles do not settle out |
dissolve | to form a solution with another material |
buoyancy | the ability of matter to float in a liquid or gas |
conductor | a material that electric current can pass through easily |
insulator | a material that current cannot pass through easily |