Lesson 2 scientific method ppt

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Lesson 2 scientific method ppt

  1. 1. What is the Scientific Method? PROCEDUREThe scientific method is the _________________________scientists use to EXPLAIN_______________________ why things happen the way that they do.What is Moby’s problem? PLANTMoby’s problem is the ________________________is dying even though he is Watering it________________________________________.What observations does Tim make about Moby’s plant? Leaves brown and falling off__________________________ The soil is wet and swishy___________________________
  2. 2. What is Tim’s hypothesis? WATER ONCE Fig plants do best if you only _______________ then ______________ aweek. What are Tim’s results? List what Tim observes after one month. DOES NOT LOOK GOOD Plant A ______________________________ DOES NOT LOOK GOOD Plant B _______________________________ LOOKS a LITTLE BETTER Plant C _______________________________ LOOKS GOOD Plant D _______________________________ What is Tim’s conclusion? WATERED ONCE a WEEK Fig plants grow best when _____________________________.
  3. 3. SCIENTIFIC METHOD
  4. 4. SCIENTIFIC METHODAll scientists have burningquestions about the worldaround them. To answer thesequestions they follow astructure called the scientificmethod.
  5. 5. WHAT IS THE SCIENTIFIC METHOD?? The scientific method is aseries of steps that allows scientists to tests theirquestions in anorganized way.
  6. 6. THE 7 STEPS OF THE SCIENTIFIC METHOD
  7. 7. STPE #1: ASK A QUESTIONWhat do you want to explore?Ask a question about it.• Choose something that is testable.• Choose something that can be answered with a experiment.
  8. 8. STEP #2: RESEARCH YOUR PROBLEMWhat is already known aboutyour topic?Look in books and on theinternet.Define key words.
  9. 9. STEP #3: DEVELOP YOUR HYPOTHESISWhat do you think the answerto your question or problemwill be?• A hypothesis is an educated guess based on knowledge or observation• You must be able to experimentally test your hypothesis.
  10. 10. GOTCHA …..While you wereat the store (lol)
  11. 11. STEP #4: WRITE YOUR PROCEDURE• Write the steps for how you will test your hypothesis.• List the materials you will need, including exact amounts of each item.• List each thing you will do. Number each step in order. Write down everything you will do.• Your procedure must be so detailed that another scientist could follow it.
  12. 12. STEP #5: TEST YOUR HYPOTHESIS• Get your materials, follow your procedure, and make observations.• While taking data, you should record qualitative and quantitative observations.
  13. 13. STEP #6: ORGANIZE YOUR DATA• Record as much data as possible.• Use your data to make graphs, charts, or tables.
  14. 14. STEP #7: STATE YOUR CONCLUSIONWhat happened? Was it what youexpected? Why or why not?In the conclusion, scientists answerthe question that the experimentasked.Look at your results and decide whatit tells you about your hypothesis.Summarize your data.

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