Question | Answer |
Triple beam balance | measures mass |
Graduated Cylinder | measures volume of liquids and solids |
Beaker | A flat-bottomed cylinder container that holds chemicals |
mass | how much matter in an object |
goggles | protects eyes from dangerous cemicals |
Test tube | a sample tube that holds liquid |
Metal | element that is luster, malleable, and ductile. Good conducter of electricity |
Nonmetal | Everthing oppisite from a metal. Horrible conducter of electricity |
Metalloid | Has proprities of metals and non-metals |
Group | Verticle row of elements |
Period | Horizontal row of elements |
Element | Substance that can not be broken down |
Reactants | Starting material in a chemical |
Products | Substance that is formed due to chemical reactions |
Element Molecule | 2 or more of the same element bond |
Compund Molecule | 2 or more diffrent elements bonding |
Chemical Formula | a list of compounds and element molecules |
chemical Equation | short hand form for writing reactants that used in a chemical reaction |
Acceleration | a change in velocity |
Balanced force | the forces are equal. Net force is 0. |
Direction | The way you are going |
Force | a push or pull |
Newton's 1st law | things keep doing what they are doing unless acted on an unbalanced force |
Newton's 2nd law | force =acceleration/mass |
Newton's 3rd law | Every action has a reaction |
Speed | how fast you are moving |
Velocity | Speed in a certin direction |
HR diagram | A diagram that shows how bright, how hot, how big, how old, and what color a star is |
Main sequence star | A star with medium size, temp., and brightness |
white dwarf star | a small white star |
Red Giant star | A big red star |
Elliptical Galaxy | A round, bright, and large galaxy |
Irregular galaxy | a galaxy with no shape |
Spiral Galaxy | a galaxy that is shaped like a spiral |