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Stapp/Foreman 2

Unit 2 vocab 6th grade science

TermDefinition
Periodic Table of Elements A table in which all the known elements are arranged by properties and are represented by one or two letters, referred to as chemical symbols.
physical property Measurable characteristics that describe the physical state of something, including mass, magnetism, temperature, density, shape, volume, and conductivity.
metals Most elements; they are typically solid, shiny, malleable, and good conductors of heat and electricity.
nonmetals Elements that are typically not shiny, not malleable, and poor conductors of heat and electricity; usually gases or brittle solids.
metalloids Elements that have properties of both metals and nonmetals; sometimes referred to as semiconductors.
luster The way the surface of a mineral reflects light; either metallic or non-metallic such as silky, dull, glassy, or resinous.
conductivity The ability of a substance to transfer heat or electrical energy.
malleability The ability of something to be reshaped without breaking.
brittle A tendency to break rather than flex or bend.
insulator A material that does not conduct heat or electrical current.
conductor A substance that readily transfers heat or electrical energy.
semiconductor A substance that shows the property of electrical conductivity between that of a conductor and that of an insulator; the foundation of modern electronics.
matter Anything that has mass and volume (takes up space).
classification Sorting or putting into groups based on similar and dissimilar physical, chemical, or biological characteristics.
element A pure substance composed of the same type of atom throughout.
mass measures how much matter is in a substance
gram the basic metric unit of mass
volume measure of how much space the matter takes up
cubic centimeter metric unit of volume of solids, equal to one milliliter
milliliter metric unit of volume of fluids
displacement procedure to measure the volume of a solid object by placing it in a known amount of liquid
substance any form of matter that is uniform throughout and has consistent properties
physical property characteristic that can be observed or measured without changing the substance (color, melting point, or conductivity)
density the mass of a substance divided by its volume
relative density the comparison of the density of one substance to another; frequently comparison to the density of water (floating or sinking)
density formula D = M/V
classify to put into groups based on physical, chemical, or biological characteristics
mineral a naturally formed inorganic solid that has a specific chemical formula and repeating three-dimensional structure
luster the way the surface of a mineral reflects light, such as silky, dull, glassy, or resinous
streak the color of a mineral in powdered form
hardness a measure of scratch resistance of minerals; the ability of harder minerals to scratch softer minerals can be used for identification
conductivity the ability of a substance to transfer heat or electrical energy
malleability the ability of something to be reshaped without breaking
magnetic attraction magnetic force exerted by oppositely charged particles; tending to draw or hold the particles together
inorganic matter that does not contain carbon
mineral crystal geometric shape of a mineral that reflects its internal crystalline arrangement of atoms
Mohs hardness scale set of ten minerals used as a standard of hardness against which an unknown mineral's hardness is compared
cleavage the tendency of a mineral to split easily along flat surfaces
mineral nonliving solid material that has a definite chemical makeup
luster the way a mineral shines or reflects light
hardness measure of how easily a mineral can be scratched
texture the way something feels, smooth or rough
rock solid material that is made up of one or more minerals
streak the color of a mineral when it is ground into powder
Created by: foremanmike