Doing Science The Process of Scientific Inquiry. Lesson 1: Inquiring Minds Generate lists What is...
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Transcript of Doing Science The Process of Scientific Inquiry. Lesson 1: Inquiring Minds Generate lists What is...
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Doing ScienceDoing Science
The Process of Scientific The Process of Scientific InquiryInquiry
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Lesson 1: Inquiring MindsLesson 1: Inquiring MindsGenerate listsGenerate lists
What is Science? What is Science?
How do scientists go How do scientists go about their work? (How do about their work? (How do they investigate things?)they investigate things?)
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Investigating the Mystery Investigating the Mystery CubeCube
What questions do you have What questions do you have about the cube? (at least two)about the cube? (at least two)
DO NOTDO NOT touch or move the touch or move the cube at all!!! cube at all!!!
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Develop an explanation of Develop an explanation of what is on the bottom of the what is on the bottom of the
cube and make sure it is based cube and make sure it is based on on evidenceevidence..
What do we mean by evidence?What do we mean by evidence? Evidence refers to observations or the Evidence refers to observations or the
results of experimentsresults of experiments How do you think an explanation based on How do you think an explanation based on
evidence is different from other evidence is different from other explanations?explanations? Evidence-based explanations supply a Evidence-based explanations supply a
reason for the explanationreason for the explanation Such a reason (evidence) is objective and Such a reason (evidence) is objective and
does not merely reflect a personal does not merely reflect a personal preferencepreference
Evidence provided by one source can be Evidence provided by one source can be verified by another sourceverified by another source
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Make and Share observations Make and Share observations about the cube and develop an about the cube and develop an
answer to the question:answer to the question:What is on the bottom of the What is on the bottom of the
cube?cube? Record all observations and Record all observations and
conclusionsconclusions Share as a classShare as a class
An explanation is strengthened by being An explanation is strengthened by being supported by more than one type of supported by more than one type of observation or line of reasoningobservation or line of reasoning
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Are you convinced that your answer is Are you convinced that your answer is correct? Why or why not. Your answer correct? Why or why not. Your answer must be consistent with the evidencemust be consistent with the evidence
Can you think of any evidence that Can you think of any evidence that would contradict your answer?would contradict your answer?
How was your investigation of the cube How was your investigation of the cube similar to a scientific investigation?similar to a scientific investigation? Did you make observations?Did you make observations? Did you reach explanations based on Did you reach explanations based on
evidence?evidence?
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Do all scientific Do all scientific experiments require experiments require
laboratory experiments?laboratory experiments? No, sometimes the phenomenon No, sometimes the phenomenon
being studied can not be being studied can not be manipulatedmanipulated Scientists rely on observations and Scientists rely on observations and
measurements that address the measurements that address the questionquestion
Examples: behavioral sciences (influence of Examples: behavioral sciences (influence of various factors on nutrition and physical various factors on nutrition and physical activity); ecological and population studies; activity); ecological and population studies; disease patternsdisease patterns
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Investigating the Biological Investigating the Biological BoxBox
DO NOTDO NOT touch or move the cube at touch or move the cube at
all!!!all!!! Make and Share observations about Make and Share observations about
the cube and develop an answer to the the cube and develop an answer to the question:question:What is on the bottom of the What is on the bottom of the cube?cube?
Record observations and evidence that Record observations and evidence that supports your answersupports your answer
Share with the classShare with the class
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Biological Box Biological Box ExperimentExperiment
Select Select oneone corner of the bottom face corner of the bottom face your team would like to seeyour team would like to see
One student will carefully slide the One student will carefully slide the box across the table using a ruler box across the table using a ruler until the corner extends until the corner extends no more no more thanthan 2 centimeters2 centimeters off of the table off of the table
Another student will then glance up Another student will then glance up at the exposed corner and at the exposed corner and shareshare his his or her observations with teammatesor her observations with teammates
Share with classShare with class
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What could be on the bottom?What could be on the bottom? How was the experience with the How was the experience with the
cubes similar to the process that cubes similar to the process that scientists use to learn about the scientists use to learn about the natural world?natural world? Identify QuestionsIdentify Questions Use of tools to gather, analyze, and Use of tools to gather, analyze, and
interpret datainterpret data Develop descriptions, explanations, Develop descriptions, explanations,
predictionspredictions CommunicateCommunicate
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Science StarterBriefly explain the difference
between a hypothesis and a theory.
A hypothesis is a testable statement about the natural world that can be used to build more complex inferences and explanations. While a theory is a well supported explanation of the natural world that incorporates tested hypotheses, laws, and inferences.
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Lesson 2: Working with Lesson 2: Working with QuestionsQuestions
Why do you ask questions?Why do you ask questions? To get answers or to get more To get answers or to get more
informationinformation To a scientist, what makes a good To a scientist, what makes a good
question a good question?question a good question? Good questions do not ask about Good questions do not ask about
something really obvious, ask only something really obvious, ask only about things that are real, or allow us to about things that are real, or allow us to gain necessary informationgain necessary information
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What are some questions that What are some questions that are not suitable for a scientific are not suitable for a scientific
investigation?investigation? Personal PreferencePersonal Preference Moral ValuesMoral Values SupernaturalSupernatural Phenomena that cannot be measuredPhenomena that cannot be measured
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Name:Name: Date:Date:Guidelines for good questionsGuidelines for good questions Lab Partners:Lab Partners:
Testable questions…Testable questions… Ask about objects, organisms & events in the Ask about objects, organisms & events in the
natural worldnatural world Answered by investigations that involve Answered by investigations that involve
experiments, observations, or surveys experiments, observations, or surveys Answered by collecting & analyzing evidence Answered by collecting & analyzing evidence
that is that is measurablemeasurable Relate to scientific ideas not to personal Relate to scientific ideas not to personal
preference or moral valuespreference or moral values Do not relate to the supernatural or to Do not relate to the supernatural or to
nonmeasurable phenomenanonmeasurable phenomena
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How do we ask questions How do we ask questions the way scientists do?the way scientists do?
Look at the sheet “Working with Look at the sheet “Working with Questions”Questions” Identify the Identify the twotwo questions that are not good questions that are not good
questions because they involve either questions because they involve either moral moral valuesvalues or or personal preferencepersonal preference
Rephrase these two questions so that they Rephrase these two questions so that they ask a good question-make them ask a good question-make them measurablemeasurable
Rephrase the other questions so that they Rephrase the other questions so that they ask good questions-use the previous criteriaask good questions-use the previous criteria
Share your questionsShare your questions
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HomeworkHomework
Read each of the 3 lettersRead each of the 3 letters Select Select oneone letter and develop letter and develop twotwo scientific scientific
questionsquestions that relate to the point of view that relate to the point of view expressed in the letterexpressed in the letter
For For eacheach question, question, describedescribe an investigation an investigation and the and the evidenceevidence that could be used to that could be used to answer itanswer it
One story – two questions – two investigationsOne story – two questions – two investigations Look to create questions that meet the Look to create questions that meet the
criteria we identifiedcriteria we identified
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Homework ReviewHomework Review Letter 1:Letter 1:
Q: Does food served at Quick and Tasty contain Q: Does food served at Quick and Tasty contain chemicals that can lead to cancer?chemicals that can lead to cancer?
I: Test food from Quick and Tasty for chemicals that I: Test food from Quick and Tasty for chemicals that are associated with cancer.are associated with cancer.
Letter 2:Letter 2: Q: Do obese people select different food items at Q: Do obese people select different food items at
Quick and Tasty compared with people of normal Quick and Tasty compared with people of normal weights?weights?
I: Observe and record the food choices at Quick and I: Observe and record the food choices at Quick and Tasty of obese and normal-weight peopleTasty of obese and normal-weight people
Letter 3:Letter 3: Q: Does a typical meal at Quick and Tasty contain Q: Does a typical meal at Quick and Tasty contain
more calories than recommended for an average more calories than recommended for an average person?person?
I: Determine the number of calories in several of the I: Determine the number of calories in several of the Quick and Tasty meals and compare this with Quick and Tasty meals and compare this with recommended calorie intakesrecommended calorie intakes
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Letter 1:Letter 1:Q: Does food served at Quick Q: Does food served at Quick and Tasty contain chemicals and Tasty contain chemicals that can lead to cancer?that can lead to cancer?
I: Test food from Quick and I: Test food from Quick and Tasty for chemicals that are Tasty for chemicals that are associated with cancer.associated with cancer.
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Letter 2:Letter 2:Q: Do obese people select Q: Do obese people select different food items at Quick different food items at Quick and Tasty compared with and Tasty compared with people of normal weights?people of normal weights?
I: Observe and record the I: Observe and record the food choices at Quick and food choices at Quick and Tasty of obese and normal-Tasty of obese and normal-weight peopleweight people
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Letter 3:Letter 3:Q: Does a typical meal at Quick Q: Does a typical meal at Quick and Tasty contain more calories and Tasty contain more calories than recommended for an than recommended for an average person?average person?
I: Determine the number of I: Determine the number of calories in several of the Quick calories in several of the Quick and Tasty meals and compare and Tasty meals and compare this with recommended calorie this with recommended calorie intakesintakes
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Activity 1: Unusual Activity 1: Unusual AbsencesAbsences
Purpose: To carry out a scientific Purpose: To carry out a scientific investigation using materials on the investigation using materials on the web. You will be working as web. You will be working as members of an investigative team members of an investigative team from the local health departmentfrom the local health department
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Name: Date: Name: Date: Investigative Report Form Lab Investigative Report Form Lab Partners:Partners:
Testable Question: (skip 3-4 lines)Testable Question: (skip 3-4 lines)
Evidence Collected: (skip 5-6 lines)Evidence Collected: (skip 5-6 lines)
Analysis and Explanation of Analysis and Explanation of Evidence: (skip 8-10 lines)Evidence: (skip 8-10 lines)
Next Questions:Next Questions:
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ProcedureProcedure
Click on “Activity 1: Click on “Activity 1: Unusual Absences”Unusual Absences”
Read “You have Read “You have one new mail one new mail message”message”
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Read new mail Read new mail messagemessage
Read 1Read 1stst letter from letter from principalprincipal STOP!!!! & STOP!!!! &
Create a testable Create a testable question (in science question (in science notebook)notebook)
Need help? - start Need help? - start with “Are more….?” with “Are more….?” or “Is the…?”or “Is the…?”
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Click on link and Click on link and proceed to school proceed to school websitewebsite
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Click on “Attendance Click on “Attendance data”data”
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Export Data to the Export Data to the health health department’s department’s website for graphic website for graphic formform Click on “Export Click on “Export
Data”Data” Type “cohd.org”Type “cohd.org”
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Look at Look at graphs of graphs of data….what data….what do you do you notice?notice?
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