Question | Answer |
matter | everything that has mass and takes up space |
element | the ingredients that can make up all other substances. Can't be broken down in to other things |
metals | good conductors of heat and electricity. can bent without breaking. Most are grey and shiny. |
nonmetals | do not generate heat or electricity vary well. May be a gas or a solid |
semimetals | some times like a metal and some times like a nonmetal |
atoms | the smallest part of a element that still acts like a element |
atomic theory | states that everything is made of atoms |
compound | a type of matter that is made up of 2 or more elements |
moleculs | smallest particles of a compound that still works like a compound |
proton | positive charge. found in the nucleus |
neutrons | no charge found in the nucleus |
electron | negative charge. orbit the nucleus |
solid | has a definite shape or volume. Particles very close together, Don't move past each other. |
liquid | definite volume but no shape. particles can move past each other. |
gas | no definite shape or volume. particles spread out evenly. |
plasma | like gas, but conducts electricity like metal. occurs with high temperature or electric charges. |
melting point | liquid to solid or solid to liquids same as freezing point |
evaporation | liquids become gas |
condensation | gas beacons a liquid gas particles touch a cold surface temp drops |