| A | B |
|---|
| kinetic energy | energy a moving object has because of its motion |
| potential energy | energy an object has because of its postion |
| law of conservation of energy | in any chemical or physical process, energy is neither created nor destroyed |
| temperature | averge kinetic energy |
| heat | sum of kinetic energy |
| scientific method | observation, hypthesis, experiment, collect data, conclusion |
| polymer | a large organic molecule compsed of smaller units bonded together |
| law of conservation of mass | the products of a chemical reaction have the same mass as the reactants |
| accuracy | how close u are to real targt |
| precision | how close u were to the same spot |
| atomic theory | the theory that all matter is composed of indivisible particles called atoms |
| law of deinite proportions | any sample of a compound always has the same compostion |
| law of multiple proprtions | the mass ratio for 1 of the elements in a compound that combines with a fixed mass of another elemebt can be expressed in small whole numbers |
| atomic mass | the mass of an atom in atomic mass units AMU |
| mole | SI unit for measuring the amount of a substance |
| elecron | small negatively cahrged particle foun in atoms |
| proton | a particle with a positive charge found in atoms nuclei |
| neutron | partcle with no electric charge |
| isotope | 1 of 2 or more atoms of the same element with diff. #'s of neutrons |
| Coulomb's law | the force between 2 charged particles is inversely proportional to the square of the distance between them |
| Thompson | plum puddin model |
| Rutherford | gold foil experiment |
