Barnes science use the scientific method as its cornerstone approach-issue that we have
the wheel and authentic data and we can build the best possible models understand the world around us
this really was an approach you've probably been topped previously
IE Khalid bin at some point in analyzing a bunch of different rules and taught this is the scientific method these are always the rules of the city 
followed your science fair project in fifth grade is not legitimate unless you follow each of these in 
a very wicked fashion but that's a very authentic way to look at
modern science to deal with DOS will start out with education
that comes even before the observation stage you need to understand was happening in the field enough to have an idea why everything 
means I you need to know where the field currently ends and let things
even explained and note the explanations of because you don't have an observation
come to pass a way to take all the facts and all the data and everything you know about it
and give them a spot some reason that it may not be consistent with
some other in Friday's information in on the field on a new strategy summit poured measurement 
used I hope that we could do that for some action
these typically the fed zero in step one method of the real scientific method in chemistry to the 
top survey shun analytic reasons for pipette offices to explain what's going on
wisest behaving differently than we expect based on some other model
why is it that we have two models are completely inconsistent at this junction in the middle
and what do we think is there reason for the inconsistency
at which I detest that Natalie, the test for it really could do some sort of an experiment
now
chemistry we can it be a lot more controlled the most fields because we connection manipulate
the solutions and the gases and all these things
and keep things very well controlled
now the other signed its fields or other research and divers that's not always possible in fact as 
time goes flat cold war crime if you value education research
you can not control every variable by making sure their own slate sees acts a number of hours is exactly the same diet
has the same haircut so they don't have here in the eyes of persisted in government and rise and control their upbringing from birth to make 
sure that these 2110 or 300 students are all identical
and then subject teach them to a different official trade
that would define the call will have some sort
in chemistry we can do that but we can make a month in a solution where everything is to say we take portions of that we try things out on a
to see what the differences and being
weakened a controlled test and chemistry you can't do it in many sciences don't see the experiment face L. Keith Parks number of cells
agree with our hypothesis
we get to precede if not we have to make a modification
if I thought that are
my guy was going to be a clique each indicator back
but then I put in its massive system basis and there's no color change whatsoever obviously I'm gonna find my approach
of because I'm a canal and move forward with my existing offices but if things are behaving the 
way to be expected to we get stirred to create a model Wilson and the theory
and that's when explain our results in predict new outcomes that we have even tried yet now I 
really one of the size of me here solicit alleges the feehery
they are not using the word scientifically
they're using it in the modern English sense but has no meaning when it comes to science
on model or Thierry in the sciences has touched a throwaway one of the Uri isn't it has been bolstered and proven true by many experiments
it's a continuation along the line of flaw were all of those pieces were also consistent and they are explaining new things that end up being 
cracked when someone says that just a theory you should that the person who made the theory on the back
has apparently their theory is so good that manage the call the theory the word series not used to blow off some body are in the sciences 
is one of the building at the site set forth in the book does explain it quite thoroughly as well
now
it's a little product other outcomes • it has some new things were and say well according to my new model
then I expect this thing is going to happen under these circumstances to redo your setup of 
circumstances you see that actually does and happening and how does exactly expected if so
even publish that the rest of the world let them know I'll mark this is getting even more evidence is really a strong case
and it keeps on surviving a loss of scrutiny
given chicken be called a law
now is not that we have to go back and revise our model
into a theory is finally getting more and more fine and we obviously have a theory of gravity that worked quite well when you let go of 
something that's listed above a quick look around it falls
we have lots of observations that agree on that
a family and refine that miles understand that
the size of the gravity of those drops off is you get further and further out of orbit
the graphic that you measure at the top of my address is in the same value as the gravitational 
constant you measure down here at the source of north
five sea level and so we had a refiner definition until finally got better and better that's the 
scientific method as it applies in a field like chemistry
now I really also 1. out we never throw out data in the lab portion of the course you're taught that you have to renew no public can you don't cross 
things out by lee obliterating them into a single line to its it still is visible what was written before
an alliance to emphasize is that it's no longer considered to be true the have a better result later on or the Joseph Lapp mistake made but 
you don't obliterate you don't throw data because it might end up being that it was a mistake and all
it might be that you had something to import hiding there an epic easing up with a more controlled experiment you Michael looks like a 
better showing never throw data in scientific research
