Presentation on theme: "Just What Is Science Anyway???"— Presentation transcript:
1Just What Is Science Anyway??? a journey through the scientific method...
2Science is a process of inquiry - asking questions and getting answers you do scienceThere are many sciences:life sciencepoli-sciencesocial scienceetc
3Observation 2 kinds of Observations Before you can ask a question - you need tomake an observation…2 kinds of Observationsdirect - done w/ the 5 sensessight, touch, smell, aural, tasteindirect - done w/ equipmentthermometer, anemometer, balance...
4The Scientific Method A very good way to do science Easy to follow RepeatableThoroughIs the way it’s really done in the field!Can be applied to any problem.
5THIS MUST BE IN THE FORM OF A QUESTION! What’s the Problem??You need to state the question that you are going to be collecting data on. This problem is what your project will be answering.THIS MUST BE IN THE FORM OF A QUESTION!The question should not be able to be answered with a yes or no.
6What’s the Purpose??You need to state the purpose of your investigation - called the Purpose StatementIt needs to be clear to you (and the reader) exactly what you are investigating. Why are you doing the project you picked.
7Should be stated in “I think or I believe” statements HypothesesThese are educated guesses - “educated” implies that the “guesses” are based on research!!!Why do the experiment if someone else already has??!!??Should be stated in “I think or I believe” statements
8Procedure You need to list: - the materials needed for your experiment.- the steps that you are going to (or did) take to carry out your experiment.It must be so detailed so that anyone who may dispute your work can reproduce exactly what you did.
9Variables to vary - to change Independent Variables (IV) - the part of the experiment that you changeDependent Variables (DV) - the part of the experiment that changes as a result of the manipulation
10more...Control Group - the part of the experiment that is your basis for comparisonConstants - the parts of your experiment that do not change
11Results - Data Presentation Data Tables- A simple way to organize your data.Graphs - To help your data make visual Sense trends.Written – Paragraph formatRemember Joe Friday “Just the Facts”
12Conclusions Three Parts... Interpretation of Data What do all of these numbers mean?Do they make sense?Why or why not?How do the results relate to the topic at hand?
13Conclusions - Continued Analysis of Hypothesesdid your data support your hypotheses?
14Conclusions – Continued Again Error Analysiswhat factors skewed your data?how wrong is wrong?Precision vs. Accuracyif your data is accurate it is close to true valueif your data is precise it is consistent from trial to trial
15Precision vs. AccuracyThis is precise but not accurate
16Precision vs. AccuracyThis is precise and accurate
17Science Fair Project 1) Pick something that you are interested about. 2) Know your variables and controls3) Follow your handout make sure things are handed in on time.4)Ask if you have a question.