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National Science Day 2015
Scientific Temper
and
Method of Science
Arvind Mishra
Hon. President,
Science Bloggers' Associat...
Focal theme for National Science
Day 2015
• “Science for Nation Building”.
• You are future builders of India.
• Then you ...
What is scientific temper?
• Scientific temper is a state of mind which
does not accept anything but the truth.
• A way of...
Scientific Temper
• What do you think of
astrology, numerology
and vaastu?
• A person with scientific
temper is sceptic at...
Scientific Temper
• What do you think why eclipses occurre?
• Scientific temper foster values hidden in
scientific method....
Scientific MethodScientific Method
• Steps in the Scientific Method-Steps in the Scientific Method-
• ObservationObservati...
ObservationsObservations
• Gathered through yourGathered through your sensessenses
• A scientist notices something inA sci...
ObservationsObservations
• AnAn exampleexample of an observationof an observation
might be noticing that manymight be noti...
Hypothesis
• A suggested solution to the problem.A suggested solution to the problem.
• Must beMust be testable.testable.
...
HypothesisHypothesis
• An example of a hypothesis mightAn example of a hypothesis might
be that the tadpoles have curvedbe...
ExperimentExperiment
• A procedure toA procedure to testtest thethe
hypothesis.hypothesis.
• VariableVariable – factor in ...
Experiment
• An experimenter changes one factor
and observes or measures what
happens?
• The experimenter makes a specialT...
Experiment
• Controls are NOT being tested
• Controls are used for
COMPARISON
• Two groups are required --- the
control & ...
Data and Result
• Results of the experiment
• May be quantitative (numbers)
or qualitative.
• Must be organized
• Can be o...
Conclusion
• The answer to the hypothesis
based on the data obtained
from the experiment.
Recapitulation
• Solving a ProblemSolving a Problem
1)Identify a Problem
2) State Observations about the problem
3) Form a...
Science Temper and Method of Science
• ``Believe nothing, merely because you have been told it
or because it is traditiona...
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National science day 2015 ppt

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Science Temper and method of science!

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National science day 2015 ppt

  1. 1. National Science Day 2015 Scientific Temper and Method of Science Arvind Mishra Hon. President, Science Bloggers' Association,India (http://blog.scientificworld.in/)
  2. Focal theme for National Science Day 2015 • “Science for Nation Building”. • You are future builders of India. • Then you must have a scientific temper and know what is method of science and develop a habit to mould your activities accordingly . • But this habit does not always come naturally; they have to be practiced.
  3. What is scientific temper? • Scientific temper is a state of mind which does not accept anything but the truth. • A way of life/living to think logically and rationally. To have a rational attitude! • Our first Prime Minister Jawaharlal Nehru used the term in 1946. • A logical person look at every thing with scepticism. • He should not be easily swayed by popular acclaim
  4. Scientific Temper • What do you think of astrology, numerology and vaastu? • A person with scientific temper is sceptic at heart. • scientific temper should be reflected from your own every-day conduct.
  5. Scientific Temper • What do you think why eclipses occurre? • Scientific temper foster values hidden in scientific method. • Now let me familiarize you with method of science. • The knowledge we call science is acquired through scientific method involving inquiry, observations and their logical extensions. • It is testable by experiment and/or has logically convincing explanation.
  6. Scientific MethodScientific Method • Steps in the Scientific Method-Steps in the Scientific Method- • ObservationObservation • HypothesisHypothesis • ExperimentExperiment • Data CollectionData Collection • ConclusionConclusion
  7. ObservationsObservations • Gathered through yourGathered through your sensessenses • A scientist notices something inA scientist notices something in theirtheir natural world.natural world.
  8. ObservationsObservations • AnAn exampleexample of an observationof an observation might be noticing that manymight be noticing that many tadpoles in a pond have curved,tadpoles in a pond have curved, not straight tails!not straight tails! • What may be the reason?What may be the reason? • This leads to hypothesis.This leads to hypothesis.
  9. Hypothesis • A suggested solution to the problem.A suggested solution to the problem. • Must beMust be testable.testable. • Sometimes written asSometimes written as If…Then…If…Then… statementsstatements • PredictsPredicts an outcome.an outcome.
  10. HypothesisHypothesis • An example of a hypothesis mightAn example of a hypothesis might be that the tadpoles have curvedbe that the tadpoles have curved tails due to a pollutant in thetails due to a pollutant in the moist soil where they live.moist soil where they live. • Now this hypothesis has to beNow this hypothesis has to be tested?tested? • How?How?
  11. ExperimentExperiment • A procedure toA procedure to testtest thethe hypothesis.hypothesis. • VariableVariable – factor in the– factor in the experiment that is beingexperiment that is being tested.tested. • A good or “valid” experimentA good or “valid” experiment will only havewill only have ONE variable!ONE variable!
  12. Experiment • An experimenter changes one factor and observes or measures what happens? • The experimenter makes a specialThe experimenter makes a special effort to keepeffort to keep other factors constantother factors constant so that they will not effect theso that they will not effect the outcome.outcome. • Those factors are calledThose factors are called control variablescontrol variables
  13. Experiment • Controls are NOT being tested • Controls are used for COMPARISON • Two groups are required --- the control & experimental groups. • Now the observation leads to data collection and result.
  14. Data and Result • Results of the experiment • May be quantitative (numbers) or qualitative. • Must be organized • Can be organized into charts, tables, or graphs.
  15. Conclusion • The answer to the hypothesis based on the data obtained from the experiment.
  16. Recapitulation • Solving a ProblemSolving a Problem 1)Identify a Problem 2) State Observations about the problem 3) Form a Hypothesis about the problem (if… then…) 4) Design an Experiment to test the hypothesis 5) Collect Data 6) Form a Conclusion 7) Retest
  17. Science Temper and Method of Science • ``Believe nothing, merely because you have been told it or because it is traditional or because you yourself have imagined it. Do not believe what your teacher tells you, merely out of respect for the teacher. But whatever after due examination and analysis you find conducive to the good, the benefit, the welfare of all beings that doctrine believe and cling to, and take if as your guide` • -Gautam Buddha • नहिहि प्रत्यक्षविविरोधे श्रुते प्रमाण्यम, नहिहि श्रुितशतमिपि शीतोिग्नि अप्रकाश: इत ब्रुवित प्रामाण्यम उपिैतित -शंकराचायर • Thank You
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