Chem unit one review
Terms in this set (...)
racial of two values of related quantities often a constant
Force exerted on matter by gravity
the portion containing the independent variable
determent value of rational under specified conditions
portion of experiment used to compare dependent variable results WITHOUT the independent
The measure of the amount of matter an object contains
The temperature of a liquid where its vapor pressure of a gas are inversely proportional
the temp of a solid when its crystal lattice begins to break apart
chemical reaction that gives off energy
An observation made WITHOUT measurements
and observation made WITH measurements
representing values with significant digits
chemical reaction that ABSORBS energy
prediction that can be tested to explain observations
visual presentation showing relationship of two or more sets of data
amount of difference between experimental results and actual values
units that represent the same quantity are related to each other by some factor of ten
in measured quantity include all the digits you know for sure,plus the final estimated digit
use of conversion factors to solve for a needed variable
your bast measurement plus or minus 1 1/2 of the smallest division on the instrument
most common unit of measurement of given property
conditions that's effect an experiment must be either studied or made constant
single factor studied for cause and effect into the experiment group
experimental factor observed for change
is the X axis information
an explanation based on many observations and supported by the results of may experiments
science applied through industry to improve life quality
process of observation and analysis providing ideas for developing hypothesis
an organized process used by scientists to do research and to verify the work of others
information and facts observed or measured
recording of data from the lab
breaking down data to reveal patters and trends
the science that deals with the study of "stuff" that makes up the universe?
what is a better for "stuff"?
the measure of the amount of "stuff" in an object is the____ of the object?
A description of material using measurement is?
what is observations such as color or odor called?
what are the observations you can make about an object, such as its size,shape,color, odor,and tendency to react with other substances are?
properties of an object
Examples of the former are the elements and compounds, both of which are classified as________ because of their fixed compositions?
An example of a latter is a combination of sand and salt that can be separated rather easily is called a?
Examples of former are elements and compounds, both of which are classified as______because of their fixed compositions?
All homogeneous mixtures are?
A solution of two or more metals such as brass is?
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