SCIENCE INQUIRY

BEST VALUE ICED TEA

Read the introduction in the activity sheet.

KFC at P 29

JOLLIBEE at P28

MC DONALD’S at P25

KENNY ROGERS at P45

TOKYO TOKYO at P30

Hmmm… Which iced tea should I have? Would you care to help???

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:

COLLECTED DATA

ICED TEA VOLUME PRICE PRICE PER VOLUME

KFC

JOLLIBEE

MCDO

KENNY ROGERS

TOKYO TOKYO(red iced tea)

PRICE PER VOLUME

To get the price per

volume,◦P per V = P/V

Based on your investigation, what is the best value iced tea in terms of price?

AHA! Now I know… Thanks for your help!!!

RESEARCH PROBLEM

• 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?

HYPOTHESIS

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 HYPOTHESISOPERATIONAL FORMNULL FORMCAUSE AND EFFECT

FORMS OF HYPOTHESIS

Operational- stated in the affirmative; positively stated.

Null- stated in the negative; negatively stated.

Cause and Effect- uses IF and THEN statement.

EXAMPLES

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.

SCIENCE INQUIRY

It refers to the diverse ways in which scientists study the natural world and propose explanations based on the evidence gathered.

It also 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.

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.

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.

HOMEWORK B

Enumerate the steps in scientific methods. Explain each step briefly.