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| Question | Answer |
| scientific method | a way to ask and answer scientific questions |
| data | information from an experiment |
| quantitative | type of info or data that is based on quantities obtained using a quantifiable measurement process |
| qualitative | reading to measuring or measured by the quality of something |
| experiment | a scientific procedure undertaken to make a discovery |
| hypothesis | a supposition or proposed explanation made on the the basis of limited evidence |
| independent variable | a variable often denoted by x whose variation does not depend on that of another |
| dependent variale | a variable often denoted by y whose value depends on that of another |
| control | a group or individual used as a standard of comparison for checking the results of a survey or experiment |
| mass | a large body of matter with no shape |
| volume | the amount of space that an object occupies |
| water displacement | the volume of the fluid displaced can then be measured |
| melting | make or become liquid |
| freezing | to make or become a solid |
| evaporition | to make or become a gas |
| sublimation | solid turns into a gas |
| condensation | gas to a liquid |
| solid | object takes shape and is dense |
| liquid | flows freely but of constant volume doesnt take shape |
| gas | expands freely does not take a shape |
| atomic number | the number of protons in nucleaus of an atom |
| atomic mass | the mass of an atom |
| isotope | equal protons but different numbers |
| group | where the element is placed |
| period | the line which the element is placed |
| metals | most reactive of the elements |
| nonmetals | least conductors out of the elements |
| metalloids | noble gasses |
| main group ellements | the known ellements |
| alkali | earth metals |
| alkaline earth | found in wierd places on earth |
| transition elements | elements that occupy a central block |
| halogens | reactive non metal elements |
| noble gasses | there are four and they are non reactive |
| inner transition metal | group of chemical elements |
| lanthanide | 15 metalic elements on the periodic table |
| actinides | any of the 15 metalic elements from actinum |
| reactive elements | elements that react well with eachother |
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