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Here are the key steps in the scientific method: 1. Make an observation 2. Ask a question 3. Form a hypothesis or testable explanation 4. Make a prediction based on the hypothesis 5. Test the prediction 6. Analyze the data and draw a conclusion 7. Communicate the results The scientific method is a process for experimentation that is used to explore observations and answer questions. It allows conclusions to be reached on the basis of proof rather than opinions or preconceived notions.
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The scientific method is a process for gathering and evaluating information through observation and experimentation. It involves making an observation, asking a question, researching background information, developing a hypothesis, testing the hypothesis through experimentation, analyzing data, and reporting conclusions. The steps are: (1) make an observation, (2) ask a question, (3) research, (4) develop a hypothesis, (5) design an experiment to test the hypothesis, (6) collect and analyze data, and (7) report conclusions. The scientific method provides a logical way to solve problems and discover new facts through reproducible experiments.
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Scientific method (ways of acquiring knowledge and solving problems)
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Science inquiry best value iced tea
- 1. SCIENCE INQUIRY BEST VALUE ICED TEA
- 2. Read the introduction in the activity sheet.
- 3. KFC at P 29
- 5. MC DONALD’S at P25
- 6. KENNY ROGERS at P45
- 7. TOKYO TOKYO at P30
- 8. Hmmm… Which iced tea should I have? Would you care to help???
- 9. ACTIVITY: Before starting the activity provide data for the following. Write your answer in a separate sheet of paper. (1 whole) Problem: (question form) Hypothesis: (null, alternative, cause and effect) Experiment: (Procedure) Observation: (Tabulate the result) Conclusion:
- 10. ICED TEA VOLUME PRICE PRICE PER VOLUME KFC JOLLIBEE MCDO KENNY ROGERS TOKYO TOKYO (red iced tea) COLLECTED DATA
- 11. To get the price per volume , ◦P per V = P/V PRICE PER VOLUME
- 12. Based on your investigation, what is the best value iced tea in terms of price?
- 13. AHA! Now I know… Thanks for your help!!!
- 14. • It implies that an investigation, inquiry or study is to be conducted, or that a problem is ready for investigation, inquiry or study. • Why is there an investigation, inquiry or study? • What is to be investigated or studied? • Where is the study to be conducted? • When is the study to be carried out? • Who are the respondents? From whom are the data to be gathered? RESEARCH PROBLEM
- 15. It is a tentative conclusion or answer to a specific question raised at the beginning of the investigation. It is an educated guess about the answer to a specific question. FORMS OF HYPOTHESIS OPERATIONAL FORM NULL FORM CAUSE AND EFFECT HYPOTHESIS
- 16. Operational- stated in the affirmative; positively stated. Null- stated in the negative; negatively stated. Cause and Effect- uses IF and THEN statement. FORMS OF HYPOTHESIS
- 17. Stated Problem: Comparing the effects of fertilizer A and fertilizer B on the growth of okra plants. ALTERNATIVE: Fertilizer A is more effective in terms of the average height per plant than fertilizer B. NULL: Fertilizer A is not as effective as fertilizer B in terms of the time of flowering per plant. C and E: If the average height per plant using fertilizer A is taller than using fertilizer B then fertilizer A is more effective. EXAMPLES
- 18. Itrefers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence gathered. Italso refers to activities of students in which they develop knowledge and understanding of scientific ideas, as well as an understanding of how scientists study the natural world. SCIENCE INQUIRY
- 19. HOMEWORK A: 1. Choose an interesting topic for investigation. a. Formulate a research problem. b. Formulate a hypothesis. c. Design a procedure to test the hypothesis. d. Collect, organize and interpret data.
- 20. e. Make conclusions based on the data, accounting and rejecting the hypothesis. f. Write a brief summary of the report. (typewritten- short bond paper) g. Share and present the results of the investigations with other classmates.
- 21. HOMEWORK B Enumerate the steps in scientific methods. Explain each step briefly.