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Matter anything that has mass and takes up space
Solid has definite volume and definite shape
liquid has definite volume but no definite shape
gas no definite volume and no definite shape
physical properties characteristics that don't change the matter, properties that use the 5 senses, example- shiny
chemical properties characteristics that change the identity of the matter example if something can burn
physical change a change that doesn't change the identity of the matter example: slicing an apple
chemical change a change that does change the identity of the matter example burning wood or digesting food
mixture combination of 2 or more substances, the substances still have the same identity and can be separated example - Chex mix
solution a special type of mixture, one substance dissolves into another example- ocean water or air
solute substance being dissolved
solvent substance that dissolves the other substance
How can we separate mixtures? chromatography, filter, sieve, magnet or evaporation
atom smallest part of an element, building blocks of matter
element made of only one type of atom example- oxygen
proton positively charged particle in the nucleus of an atom
neutron a particle in the nucleus of an atom, has no charge, is neutral
electron a negatively charged particle, found outside the nucleus
atomic number the number of protons
atomic mass the number of protons plus the number of neutrons
freezing a liquid changes to a solid
melting a solid changes to a liquid
evaporation a liquid changes to a gas
condensation a gas changes to liquid
compound made of 2 or more different elements chemically bonded together
molecule made of 2 or more atoms joined together without changing the properties
Created by: jbrost
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