CATALYSTCATALYST

Do you think chimpanzees can learn American Sign Language? How about use a computer? Why or why not? (Use evidence from Thursday.)

Meet Jane Goodall…Meet Jane Goodall…

SCIENTIFIC METHODSCIENTIFIC METHOD

This is a series This is a series of steps that of steps that scientists use scientists use answer answer questions and questions and solve problemssolve problems

SCIENTIFIC METHODSCIENTIFIC METHOD

SIXSIX GREATGREAT FARMERSFARMERS PLANTPLANT ALLALL DAYDAY

Six: State the Six: State the ProblemProblem

The scientist The scientist identifies the identifies the question or question or subject that subject that he/she wishes he/she wishes to studyto study

Great: Gather InformationGreat: Gather Information

The scientist The scientist researches the researches the subject that subject that he/she is he/she is studying. studying. • Places to do Places to do

research: library, research: library, internet, internet, encyclopedia, encyclopedia, television, etc.television, etc.

Farmers: Form HypothesisFarmers: Form Hypothesis

AA hypothesis hypothesis is the is the scientist’s scientist’s educated guesseducated guess or or best guessbest guess about about what will happen in what will happen in the experiment. the experiment.

Usually has the Usually has the words “If... Then” words “If... Then” • IFIF I eat too much, I eat too much,

THENTHEN I will get sickI will get sick

Plant: Perform ExperimentPlant: Perform Experiment

Scientists develop a Scientists develop a way to test their way to test their hypothesishypothesis

Independent VariableIndependent Variable: : part of the part of the experiment that can experiment that can be be changedchanged or or controlledcontrolled

Dependent VariableDependent Variable: : What is What is measuredmeasured in in the experimentthe experiment

All: Analyze DataAll: Analyze Data

Scientists compile Scientists compile data into data into chartscharts and and graphsgraphs

This helps make This helps make sense of the sense of the information taken information taken from the from the experimentexperiment

Day: Draw ConclusionsDay: Draw Conclusions

Scientist decides Scientist decides whether the original whether the original hypothesis was hypothesis was correct.correct.• If the answer is “If the answer is “YESYES” ”

then then you are doneyou are done• If the answer is “If the answer is “NONO” ”

then a then a new new hypothesishypothesis is made is made and you and you repeat the repeat the experimentexperiment

A Mystery Song…A Mystery Song…

Raise your handRaise your hand if you know what if you know what this song is.this song is.

The Scientific Method The Scientific Method SongSong

Produced by Master “G” with Nelly and the St. Lunatics

While we’re in the studioWhile we’re in the studio

TIME IS MONEYTIME IS MONEY

MONEY IS TIMEMONEY IS TIME

Scientific Method Song - Scientific Method Song - 1st Verse 1st Verse (To the tune of Ride Wit’ (To the tune of Ride Wit’ Me - Nelly)Me - Nelly)

If you got a question needs an answer you see,Gotta gather information in the libraryOh why must I do it this way?MUST BE THE METHOD!

Scientific Method Song - Scientific Method Song - 2nd Verse2nd Verse

First hypothesize what the answer could be,Then perform an experiment 1-2-3Oh why must I do it this way?MUST BE THE METHOD!

Scientific Method Song - Scientific Method Song - 3rd Verse3rd Verse

Then record the data in the data sheet,Draw up some conclusions and then repeatOh why must I do it this way?MUST BE THE METHOD!