who is a scientist? 1. draw a picture of a scientist. 2. write a paragraph explaining why the person...

Who is a Who is a Scientist?Scientist?

1.1. Draw a picture of a scientist.Draw a picture of a scientist.

2.2. Write a paragraph explaining Write a paragraph explaining why the person you drew is a why the person you drew is a scientist.scientist.

3.3. Objective:Objective:

4.4. Learn the scientific methodLearn the scientific method

5.5. 9 am severe weather drill9 am severe weather drill

(YES I AM SURE THIS TIME!)(YES I AM SURE THIS TIME!)

Before We go any Before We go any further…further…•Science is Science is NOTNOT a a

Subject! Subject! •Science is a Science is a WAYWAY

of Thinking! of Thinking! •You are You are ALLALL

Scientists!Scientists!

Step 1: State the Step 1: State the ProblemProblem • The The Big QuestionBig Question

• The The “W” Questions“W” Questions• Who, What, Where, When, Why… Who, What, Where, When, Why…

or Howor How

• Problem: I get tired everyday at 1 Problem: I get tired everyday at 1 o’clocko’clock

• What kind of beverage will give What kind of beverage will give me enough energy to last me enough energy to last through the day?through the day?

Step 2: Gather Info on Step 2: Gather Info on ProblemProblem

• ResearchResearch• Make Observations Make Observations

• Went Online To Study Caffeine Went Online To Study Caffeine • Went to Wal-Mart to study Went to Wal-Mart to study

caffeine % in different energy caffeine % in different energy drinks and sodasdrinks and sodas

• Wrote notes on my feelings & Wrote notes on my feelings & alertedness at 1 o’clock alertedness at 1 o’clock

Step 3: State the Step 3: State the HypothesisHypothesis • NOTTTTTNOTTTTT an Education Guess an Education Guess

• A A reasonablereasonable and educated and educated possible answerpossible answer based on what based on what you you already knowalready know and have and have observed observed

• ““IfIf I Do This, I Do This, ThenThen What Will What Will Happen”Happen”

• My Hypothesis: If I Drink 1 My Hypothesis: If I Drink 1 Mountain Dew at Noon it will give Mountain Dew at Noon it will give me enough energy to last me enough energy to last through the daythrough the day

Step 4: Test the Step 4: Test the HypothesisHypothesis

• Perform Perform ExperimentsExperiments• Must be designed to Must be designed to only test only test

oneone thing- the hypothesis thing- the hypothesis• Must be able to Must be able to repeatrepeat

experiment over and over again experiment over and over again to to ensure accuracyensure accuracy

• Drink 1 Mountain Dew at various Drink 1 Mountain Dew at various times during the day, everyday times during the day, everyday for a two weeks for a two weeks

Variables Variables • Definition: parts of the experiment Definition: parts of the experiment

that that can be changed. can be changed. • There are 3 Kinds of VariablesThere are 3 Kinds of Variables• 1.) 1.) IndependentIndependent- Changed in the - Changed in the

experimentexperiment• 2.) 2.) DependentDependent- Changes as a result - Changes as a result

of a change in the independent of a change in the independent variable variable

• 3.) 3.) ControlledControlled- AKA Constant- - AKA Constant- remains the same during the remains the same during the experiment so it does not affect the experiment so it does not affect the results results

Step 5: Record and Step 5: Record and Analyze DataAnalyze Data • DataData is Recorded is Recorded• ObservationsObservations Made Made• MeasurementsMeasurements Taken Taken• Data should be Data should be organizedorganized• Use Charts, Graphs, Drawings, TablesUse Charts, Graphs, Drawings, Tables

• Tired by 6 if drank a dew at 1 o’clockTired by 6 if drank a dew at 1 o’clock• Tired by 7 if drank a dew at 2 o’clockTired by 7 if drank a dew at 2 o’clock• By 2By 2ndnd week energy levels had increased week energy levels had increased

Step 6: State the Step 6: State the ConclusionConclusion

• InterpretInterpret Data Data• Decide if Data Decide if Data SupportsSupports the Hypothesis the Hypothesis• InferInfer- Draw a Conclusion based on - Draw a Conclusion based on

findingsfindings

• I get tired 5 hours after drinking a DewI get tired 5 hours after drinking a Dew• Drinking 1 mountain dew did increase Drinking 1 mountain dew did increase

energy level and time of consumption energy level and time of consumption affected time of tirednessaffected time of tiredness

Step 7: Repeat Step 7: Repeat ExperimentExperiment

• Ensures Ensures accuracyaccuracy • Results Become Results Become More BelievableMore Believable • OR…. OR…. Start OverStart Over!! !!

• Do the same experiment for more than Do the same experiment for more than 2 weeks2 weeks

• Try same experiment with different Try same experiment with different drinkdrink

Break It DownBreak It Down

• 1.) State Problem 1.) State Problem • 2.) Gather Info 2.) Gather Info • 3.) Hypothesize 3.) Hypothesize • 4.) Test Hypothesis4.) Test Hypothesis• 5.) Record Data 5.) Record Data • 6.) Make Conclusion 6.) Make Conclusion • 7.) Repeat 7.) Repeat

8/18/098/18/09Review the Scientific Review the Scientific

MethodMethod

Bell-workBell-workListList the materials needed to the materials needed to make a Peanut Butter and Jelly make a Peanut Butter and Jelly

SandwichSandwich

What is the problem?What is the problem?

• I am hungryI am hungry

What would can I do?What would can I do?

•Make a peanut butter and jelly Make a peanut butter and jelly sandwichsandwich

HypothesisHypothesis

• If I eat a peanut butter and jelly If I eat a peanut butter and jelly sandwich then I will not be hungry.sandwich then I will not be hungry.

ExperimentExperiment

•Write a procedure for making the Write a procedure for making the sandwich.sandwich.

• Follow the students procedure.Follow the students procedure.

What did we learn?What did we learn?

•When writing a procedure we must When writing a procedure we must be very specific.be very specific.

• List things step by step.List things step by step.

•The best way to know what to do is The best way to know what to do is do it and write down the steps.do it and write down the steps.

HomeworkHomework• ProblemProblem

– I am thirsty.I am thirsty.

• ResearchResearch– What are you going to drinkWhat are you going to drink

• HypothesisHypothesis– If I ________, then _________If I ________, then _________

• ExperimentExperiment– List materialsList materials– Step by Step processStep by Step process

• ResultsResults– What happenedWhat happened

• ConclusionConclusion– Restate hypothesis tell me what happenedRestate hypothesis tell me what happened

• List your variables.List your variables.– IndependentIndependent– DependentDependent– ConstantConstant

ScienceScience8/19/098/19/09

Bell-workBell-work

Please place homework on Please place homework on table.table.

Answer the following question.Answer the following question.

What things do we use to make What things do we use to make observations?observations?

9AM Lock down practice.9AM Lock down practice.

ObservationsObservations

•To make and observation we use our To make and observation we use our senses.senses.– We look at thingsWe look at things– We listen to thingsWe listen to things– We smell thingsWe smell things– We touch thingsWe touch things– We taste thingsWe taste things

ObservationsObservations

• Observations help us understand what Observations help us understand what is going on around us.is going on around us.

• Think about ice creamThink about ice cream– What does a scoop of ice cream look likeWhat does a scoop of ice cream look like– What does it smell likeWhat does it smell like– What does it taste likeWhat does it taste like– How does it feel likeHow does it feel like– Can you hear ice cream?Can you hear ice cream?

ObservationsObservationsItem Item observedobserved

What do What do you seeyou see

What do What do you hearyou hear

What do What do you smellyou smell

How does is How does is feelfeel

What do What do you tasteyou taste

HomeworkHomework

•Observe something at home tonight Observe something at home tonight and record the observations.and record the observations.


Homework on the Homework on the tabletable

Bell-workBell-workOn a piece of paper, On a piece of paper,

explain the word explain the word classifyclassify..

Shelter in place drill today 2pm, Shelter in place drill today 2pm, during 5during 5thth..

Penny LabPenny Lab• Answer bell-work questionAnswer bell-work question

– List things scientist use to take measurements.List things scientist use to take measurements.

• Pass out the labPass out the lab

• Read the labRead the lab

• Pass out materialsPass out materials

• Perform the labPerform the lab

• Answer Lab questionsAnswer Lab questions

• Pass out HomeworkPass out Homework


Homework on the tableHomework on the table

Bell-workBell-work

List spongy things.List spongy things.

• Fire drill to the church 9am.Fire drill to the church 9am.

•We will write a lab report.We will write a lab report.

• Lab report modelLab report model

Remember your 1” binder and a spiral Remember your 1” binder and a spiral notebook are needed by Tuesday, notebook are needed by Tuesday, September 1September 1stst..

PurposePurposeThe reason for doing the The reason for doing the procedureprocedure•The purpose of this experiment is to The purpose of this experiment is to

determine if soap added to tap water determine if soap added to tap water will change the surface tension of will change the surface tension of the tap water.the tap water.

HypothesisHypothesis : : Your own opinion as Your own opinion as to what the outcome of the to what the outcome of the experiment will be as well as experiment will be as well as why why you you

think that.think that. • If I add soap to tap water then the If I add soap to tap water then the surface tension of the tap water will surface tension of the tap water will decrease. This will happen because decrease. This will happen because the soap will interfere with waters the soap will interfere with waters ability to join together and that will ability to join together and that will decrease the surface tension.decrease the surface tension.

MaterialsMaterials : List all the : List all the materialsmaterials

•Dixie cupDixie cup

•PipettePipette

•Tap waterTap water

•Dawn dish washing liquidDawn dish washing liquid

•PennyPenny

•Paper towelsPaper towels

ProcedureProcedure : : This should be This should be written in such a matter that written in such a matter that someone else who is not someone else who is not familiar with the activity could familiar with the activity could follow the directions and get follow the directions and get the same results.the same results.

ProcedureProcedure

1.1. Place penny on paper towelPlace penny on paper towel2.2. Fill the pipette with tap water from the Dixie cupFill the pipette with tap water from the Dixie cup3.3. Hold the pipette straight up and downHold the pipette straight up and down4.4. Slowly squeeze the pipette and allow one drop of water Slowly squeeze the pipette and allow one drop of water

to fall on the pennyto fall on the penny5.5. Repeat steps 3 and 4 until the water on the penny falls Repeat steps 3 and 4 until the water on the penny falls

onto the paper towelonto the paper towel6.6. Be sure to count your drops and record your total drops Be sure to count your drops and record your total drops

for each trail in data tablefor each trail in data table7.7. Dry off the penny and repeat steps 2 thru. 6 until you Dry off the penny and repeat steps 2 thru. 6 until you

have completed 5 trials.have completed 5 trials.8.8. Average your results.Average your results.9.9. Repeat steps 1 thru 8 using tap water mixed with dawn Repeat steps 1 thru 8 using tap water mixed with dawn

dishing washing soap.dishing washing soap.

Data: Data: Any quantitative or qualitative Any quantitative or qualitative data will be included here. This data will be included here. This includes charts and graph or personal includes charts and graph or personal

observations if needed.observations if needed. Trial Trial 11

Trial Trial 22

Trial Trial 33

Trial Trial 44

Trial Trial 55

AverageAverage

TapTap

WateWaterr

SoapSoapyy

WateWaterr

Conclusion: Conclusion:

This is a complete analysis of your data. This is a complete analysis of your data. It is only a description of what It is only a description of what happened. You should use as much happened. You should use as much research as possible in this section. research as possible in this section. Your hypothesis should also be Your hypothesis should also be referenced in this section. Any possible referenced in this section. Any possible extensions to make the experiment extensions to make the experiment better should be included here:better should be included here:

• According to the data the water containing According to the data the water containing the soap took less drops to fall off the penny. the soap took less drops to fall off the penny. The average number of tap water drops The average number of tap water drops was________. The average number of soapy was________. The average number of soapy water drops was ________. Supporting the water drops was ________. Supporting the hypothesis that the soapy water would cause hypothesis that the soapy water would cause the waters surface tension to decrease. the waters surface tension to decrease. Another experiment that I could perform Another experiment that I could perform would be using sugar water and see if it would be using sugar water and see if it effects the surface tension of water. effects the surface tension of water.

Conclusion: Conclusion:

ExploreExplore

•We will continue working with We will continue working with microscopes.microscopes.

who is a scientist? 1. draw a picture of a scientist. 2. write a paragraph explaining why the person...

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