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SCIENTIFIC INVESTIGATION

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Latin meansto know

A field of study ofthingsinour

environment

ornat

ure

Science = Technology????

Science isa wayofknowingandsolving

a problem

Technologyisa wayofdoingatask

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Anorderly methodwhichusedto investigate aproblem oran event

1. Identifythe problem2. Form ahypothesis3. Identifyand controlthe variable4. Planthe investigation5. Conductingthe investigation6. Collectthe data7. Analyze the data8. Interpretthe data9. Make a conclusion10. Write areport

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AskingQ

Problem usuallyarise from an

obse

rvati

on

Eg:

We observed . A rusty iron nail

Problem isWhat cause the iron nailto rust?

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Astatement whichsuggestion to theanswer of the problem

Generally scientific concept/principal

Aboutrelationship betweenthemanipulatedvs.responding variable

Eg:The iron nail will rust when expose to

air and water.

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There are 3typesvariables:

Manipulated type of condition

Resp

onding reaction of iron nail

Constant type of iron nail

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Determine the materials and apparatus

needed,the place andthe time to

cond

uctthe expe

riment

Plan asuitable andsystematic

procedure

Eg:Material: water

Apparatus: iron nail, test tube, lid

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Carry out the investigation according

tothe procedures planned

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Data are collectedby makingobservation

Quantitative by measurement

Qualitative by

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The collecteddataare elaboratedin

detail

The relationship of various type ofvariables inthe experimentis

determined

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The dataare organizedandinterpret

logically and honestly

The data canb

e presentedin

form

ofabar chart,histogram,line graph,pie

chart,andsoon

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Basedonthe analysisanddata

interpretation,make a rational

conclusionThe conclusion will eitheraccept or

reject the hypothesis

Ifthe earlier made hypothesisisrejected,

anew investigationhastobe planned

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Areport mustbe writtenafter SI iscompleted

The reportshould contain

1. aim2. problem statement3. hypothesis4. variables5. apparatus and materials

6. procedure7. result8. discussion9. conclusion.

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Tobe an effective decision-maker

Toget more precise andaccurate results

Tobecome agood problem-solver

Tobe preparedto change andadapttonew idea

Tobecome a more responsible and creative researcher