Do Now – Do Now – 1/13/091/13/09Answers must be in Answers must be in COMPLETE SENTENCES.COMPLETE SENTENCES.

1. What is the difference between an 1. What is the difference between an observation and an inference? observation and an inference?

2. Write a hypothesis for the following 2. Write a hypothesis for the following situation.situation.Observation:Observation: Barack Obama is tired. Barack Obama is tired.Question:Question: Will drinking coffee make Obama Will drinking coffee make Obama

less tired?less tired?

By today…By today…You should You should be readybe ready for this class for this class

with your materials. No excuses.with your materials. No excuses.

This means you need to have your This means you need to have your binder with all dividers labeled.binder with all dividers labeled.

BindersBinders Label your dividers (see syllabus).Label your dividers (see syllabus).

AgendaAgenda Do Now/AnnouncementsDo Now/Announcements Finish Up Hypothesis NotesFinish Up Hypothesis Notes Class GoalClass Goal Today’s Exciting Scientific ResearchToday’s Exciting Scientific Research Steps of the Scientific Method and Why it Steps of the Scientific Method and Why it

is So Importantis So Important Chicken Liver Demo!Chicken Liver Demo! Exit TicketExit Ticket Lab on Thursday! Unit 1 Quiz on Friday!Lab on Thursday! Unit 1 Quiz on Friday!

Write a Write a ‘quality’ ‘quality’ hypothesis?hypothesis?

Observation:Observation: Rally’s fries taste Rally’s fries taste bad.bad.

Question:Question: Will adding more Will adding more seasoning make the fries taste seasoning make the fries taste better?better?

Write a Write a ‘quality’ ‘quality’ hypothesis?hypothesis?

Observation:Observation: All Ms. Stroh’s All Ms. Stroh’s students have notes to study for students have notes to study for the exam.the exam.

Question:Question: Will Ms. Stroh’s Will Ms. Stroh’s students make As on the exam if students make As on the exam if they study their notes?they study their notes?

What did I learn What did I learn yesterday?yesterday?

Look back at the objectives on Look back at the objectives on your weekly work packet.your weekly work packet.

ObservationsObservations InferencesInferences HypothesisHypothesis Unit 1 Vocabulary LogUnit 1 Vocabulary Log

ObjectivesObjectives SWBAT write a quality hypothesis. (finish SWBAT write a quality hypothesis. (finish

from yesterday)from yesterday) SWBAT describe the importance of SWBAT describe the importance of

scientific research.scientific research. SWBAT identify the steps of the scientific SWBAT identify the steps of the scientific

method.method.

ScienceScienceThe real world, your life, with fancy wordsThe real world, your life, with fancy words

Scientific methodScientific methodA way to ask questions and get answers A way to ask questions and get answers

about the real world.about the real world.Add to Unit 1 Vocabulary LogAdd to Unit 1 Vocabulary Log

Exciting Scientific Exciting Scientific ResearchResearch

Science is all about the real world - your life - Science is all about the real world - your life - with with fancy wordsfancy words. .

Add these to your Unit 1 Vocabulary Log.Add these to your Unit 1 Vocabulary Log. Pure researchPure research – a type of scientific – a type of scientific

investigation that seeks to gain investigation that seeks to gain knowledge for the sake of knowledge knowledge for the sake of knowledge itselfitself

Applied researchApplied research – a type of scientific – a type of scientific investigation that is undertaken to solve a investigation that is undertaken to solve a specific problemspecific problem

Exciting Scientific Exciting Scientific ResearchResearch

Science is all about the real world - your Science is all about the real world - your life - with life - with fancy wordsfancy words..

Arrgh MateyArrgh Matey! Where’s My Eye Patch?!? ! Where’s My Eye Patch?!?

Menthol Cigarettes - Trying to Quit?Menthol Cigarettes - Trying to Quit? Losing Sleep? Watch Out for a ColdLosing Sleep? Watch Out for a Cold

Food Crisis In Your Food Crisis In Your Lifetime?Lifetime?

Food Crisis During Your Lifetime?Food Crisis During Your Lifetime?

1. Make an observation.

2. Ask a question.

ScientificScientific MethodMethod

how we find out how we find out things about things about

our worldour worldWrite these steps down on Write these steps down on

your own notes paper!your own notes paper!

3. Gather background information.

4. Make a hypothesis.

5. Test the hypothesis(Experiment).

6. Collect and analyze data.

7. Draw conclusions.

8. Reflect.

Why is the Scientific Method So Important?Why is the Scientific Method So Important? How do the scientists know what they know? How do the scientists know what they know?

When it comes to gathering information, scientists When it comes to gathering information, scientists usually usually relyrely on the scientific method. on the scientific method.

The scientific method is not a The scientific method is not a set of instructionsset of instructions for for just one experiment, nor was it designed by just one just one experiment, nor was it designed by just one person. The scientific method has person. The scientific method has evolvedevolved over time over time after many scientists performed experiments and after many scientists performed experiments and wanted to wanted to communicatecommunicate their results to other their results to other scientists. The scientific method allows experiments scientists. The scientific method allows experiments to be to be duplicatedduplicated and results to be communicated and results to be communicated uniformly.uniformly.

The format of the scientific method is very The format of the scientific method is very logicallogical. . Many people solve problems and answer questions Many people solve problems and answer questions every day in the same way that experiments are every day in the same way that experiments are designed.designed.

Practice Time…Practice Time…

Turn over your notes sheet!Turn over your notes sheet! Don’t sneak a peak!Don’t sneak a peak!

Steps of the Scientific Steps of the Scientific MethodMethod

Put the steps into the correct order on the back of Put the steps into the correct order on the back of your notes sheet. Try to remember without your notes sheet. Try to remember without

looking!looking!Collect and analyze data.Collect and analyze data.Ask a question.Ask a question.Reflect.Reflect.Make an observation.Make an observation.Test the hypothesis (experiment).Test the hypothesis (experiment).Gather background information.Gather background information.Make a hypothesis.Make a hypothesis.Draw conclusions.Draw conclusions.

1. Make an observation.

2. Ask a question.

ScientificScientific MethodMethod

how we find out how we find out things about things about

our worldour world

3. Gather background information.

4. Make a hypothesis.

5. Test the hypothesis(Experiment).

6. Collect and analyze data.

7. Draw conclusions.

8. Reflect.

It’s Demo Time!It’s Demo Time!

Chicken liver….it’s for dinner?Chicken liver….it’s for dinner? Chicken liver contains a catalyst that helps Chicken liver contains a catalyst that helps

hydrogen peroxide hydrogen peroxide decomposedecompose into water into water and oxygen very quickly.and oxygen very quickly.

Otherwise, this process takes a couple Otherwise, this process takes a couple years.years.

Some Lab Equipment and Some Lab Equipment and Safety Tips!Safety Tips!

GogglesGoggles Erlenmeyer flaskErlenmeyer flask TongsTongs Fire safetyFire safety

Steps of the Scientific Steps of the Scientific MethodMethod

What observations can you make about the picture below?

Steps of the Scientific Steps of the Scientific MethodMethod

Ask a question.

Steps of the Scientific Steps of the Scientific MethodMethod

Gather background information.

What do you already know?

How could you find out more?

Steps of the Scientific Steps of the Scientific MethodMethod

Make a hypothesis.

Test the hypothesis.

Steps of the Scientific Steps of the Scientific MethodMethod

Collect and analyze data.

How do scientists do this?

Steps of the Scientific Steps of the Scientific MethodMethod

Draw conclusions.

Reflect! Why is this so important?

Exit TicketExit Ticket

Please write answer in Please write answer in COMPLETE COMPLETE SENTENCESSENTENCES..

1.1. Why is it so important to follow the Why is it so important to follow the scientific method when conducting scientific method when conducting experiments?experiments?

2.2. Why is current scientific research Why is current scientific research important to a teenager like you?important to a teenager like you?