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Topic: Scientific Inquiry Essential Question: What is scientific inquiry?

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Topic: Scientific Inquiry. Essential Question: What is scientific inquiry?. Observation & Inference. modified by Liz LaRosa www.middleschoolscience.com 2009, from original posted at: www.science-class.net/PowerPoints/ Observation _ Inference _8th.ppt. What is scientific inquiry?. - PowerPoint PPT Presentation

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Page 1: Topic: Scientific Inquiry

Topic: Scientific Inquiry

Essential Question: What is scientific inquiry?

Page 3: Topic: Scientific Inquiry

What is scientific inquiry?

• You see something happen, you ask why?

• You want to make something happen, you ask how?

• Science is a tool for answering why and how.

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The Scientific Method involves a series of steps that are used to investigate or

answer questions

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Problem/QuestionObservation/Research

Formulate a HypothesisExperiment

Collect and Analyze ResultsConclusion

Communicate the Results

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Steps of the Scientific Method1. Problem/Question: Develop a question or problem that can be

solved through experimentation.

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State the Problem/Question

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Steps of the Scientific Method

2. Observation/Research: Make observations and research your topic of

interest.

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Observations• Any information collected with the 5

senses. • Quantitative – measureable or countable

» 3 meters long» 4 marbles

• Qualitative – describable, not measureable » red flowers» smells like fresh baked cookies» Tastes bitter

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Inference• Observations lead to conclusions or deductions based on the observations made.• The process of drawing a conclusion from given

evidence is called an INFERENCE

Practice: Copy this on the top of ISN • Observations:

• I hear people screaming• I smell cotton candy, popcorn, and hamburgers• I see a lot of people

• Inference = ?

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Study this picture

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Question 1

• Are there cars parked on the sides of the road?

• What color is the pickup truck driving in the road?

• What does the blue sign say?

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Let’s try it again!

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• How many cars were in the intersection?

• Can you describe at least one of the cars driving through the intersection?

• Are there any other potential witnesses?

• What was this witness doing? Where was he?

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Questions continued

• What was this witness doing? Where was he?

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Practice scenarios…• All the students in the classroom

came to school on Tuesday, but did not come on Monday (observation).

• What are some possible inferences?• How could we test those inferneces?

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Research

Research shows that frogs from that species should look like this

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Research has also shown…..There is a new factory that disposes it’s waste in the lake

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You observe a dejected-looking (in low spirits; depressed; disheartened) student leaving the principle’s office.

• What are some possible inferences?

• How could we test those inferneces?

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You observe that the sky at noon is darkening.

• What are some possible inferences?

• How could we test those inferneces?

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All middle school students are bringing lunch from home.

• What are some possible inferences?• How could we test those inferneces?

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A former rock-and-roll band member has poor hearing.

• What are some possible inferences?

• How could we test those inferneces?

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You leave a movie theater and see that the street is wet.

• What are some possible inferences?

• How could we test those inferneces?

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The classroom lights are off.

• What are some possible inferences?

• How could we test those inferneces?

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A siren is heard going past the school.

• What are some possible inferences?

• How could we test those inferneces?

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Picture senarios… What happened?

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Who are they?

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Inference• Conclusions or deductions based on observations.• The process of drawing a conclusion from given

evidence.

Practice: • Observations:

• I hear people screaming• I smell cotton candy, popcorn, and hamburgers• I see a lot of people

• Inference = ?

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Directions• 1. For each of the following

slides you will make 3 observations and create one inference

• *No talking*

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Look at these two sets of animal tracks.

List 3 OBSERVATIONS

Make an INFERENCE

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Now what do you think?

Make 3 OBSERVATIONSMake an INFERENCE

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Now what do you think?

Make 3 OBSERVATIONSMake an INFERENCE

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Do you have your own riddle or scenario to

help us practice observation and

inference?