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matter anything that has mass and takes up space
homogeneous mixture every sample of this material is the same
heterogeneous mixture two samples of this material might contain different kinds of matter
element a pure substance which contains only one kind of matter
compound contains two or more kinds of matter that cannnot be seperated by physical means
substance a sample of matter than cannot be seperated by physical means
mixture a sample of matter that contains two or more kinds of particles that can be seperated by physical means
meniscus the curve formed by the surface of a liquid
displacement measuring volume by placing an object in water and recording the change in water level
indirect measurement calculating size of very large or small objects through use of proportional relationships
density a measurement of the "compactness" of a substance; the ratio of its mass to volume
hardness a measurement of how easily a solid can be scratched
brittleness a measurement of how easily a solid will shatter
elasticity a measure of a solid's ability to return to its original shape after it is stretched or squeezed
malleability a measurement of how easily a solid can be pounded into thin sheets
tensile strength a measurement of how well a solid resists breaking when it is pulled on
fluid any materal that flows
bouyancy the upward force of a liquid or gas upon an object immersed in it
Archimedes' principle the force exerted on an object in a fluid is equal to the weight of the displaced fluid
viscosity a measure of a fluid's resistance to flow
Created by: lbanana217