Do Now – 1/13/09 Answers must be in COMPLETE SENTENCES. 1. What is the difference between an observation and an inference? 2. Write a hypothesis for the.

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Presentation transcript:

Do Now – 1/13/09 Answers must be in COMPLETE SENTENCES. 1. What is the difference between an observation and an inference? 2. Write a hypothesis for the following situation. Observation: Barack Obama is tired. Question: Will drinking coffee make Obama less tired?

By today…  You should be ready for this class with your materials. No excuses.  This means you need to have your binder with all dividers labeled.

Binders  Label your dividers (see syllabus).

Agenda  Do Now/Announcements  Finish Up Hypothesis Notes  Class Goal  Today’s Exciting Scientific Research  Steps of the Scientific Method and Why it is So Important  Chicken Liver Demo!  Exit Ticket  Lab on Thursday! Unit 1 Quiz on Friday!

Write a ‘quality’ hypothesis?  Observation: Rally’s fries taste bad.  Question: Will adding more seasoning make the fries taste better?

Write a ‘quality’ hypothesis?  Observation: All Ms. Stroh’s students have notes to study for the exam.  Question: Will Ms. Stroh’s students make As on the exam if they study their notes?

What did I learn yesterday?  Look back at the objectives on your weekly work packet.  Observations  Inferences  Hypothesis  Unit 1 Vocabulary Log

Objectives  SWBAT write a quality hypothesis. (finish from yesterday)  SWBAT describe the importance of scientific research.  SWBAT identify the steps of the scientific method.

Science The real world, your life, with fancy words Scientific method A way to ask questions and get answers about the real world. Add to Unit 1 Vocabulary Log

Exciting Scientific Research Science is all about the real world - your life - with fancy words. Add these to your Unit 1 Vocabulary Log.  Pure research – a type of scientific investigation that seeks to gain knowledge for the sake of knowledge itself  Applied research – a type of scientific investigation that is undertaken to solve a specific problem

Exciting Scientific Research Science is all about the real world - your life - with fancy words.  Arrgh Matey! Where’s My Eye Patch?!? Arrgh Matey! Where’s My Eye Patch?!? Arrgh Matey! Where’s My Eye Patch?!?  Menthol Cigarettes - Trying to Quit? Menthol Cigarettes - Trying to Quit? Menthol Cigarettes - Trying to Quit?  Losing Sleep? Watch Out for a Cold Losing Sleep? Watch Out for a Cold Losing Sleep? Watch Out for a Cold

Food Crisis In Your Lifetime?  Food Crisis During Your Lifetime? Food Crisis During Your Lifetime? Food Crisis During Your Lifetime?

1. Make an observation. 2. Ask a question. Scientific Method how we find out things about our world Write these steps down on 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?  How do the scientists know what they know? When it comes to gathering information, scientists usually rely on the scientific method. When it comes to gathering information, scientists usually rely on the scientific method.  The scientific method is not a set of instructions for just one experiment, nor was it designed by just one person. The scientific method has evolved over time after many scientists performed experiments and wanted to communicate their results to other scientists. The scientific method allows experiments to be duplicated and results to be communicated uniformly.  The format of the scientific method is very logical. Many people solve problems and answer questions every day in the same way that experiments are designed.

Practice Time…  Turn over your notes sheet!  Don’t sneak a peak!

Steps of the Scientific Method Put the steps into the correct order on the back of your notes sheet. Try to remember without looking! Collect and analyze data. Ask a question. Reflect. Make an observation. Test the hypothesis (experiment). Gather background information. Make a hypothesis. Draw conclusions.

1. Make an observation. 2. Ask a question. Scientific Method how we find out things about our 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!  Chicken liver….it’s for dinner?  Chicken liver contains a catalyst that helps hydrogen peroxide decompose into water and oxygen very quickly.  Otherwise, this process takes a couple years.

Some Lab Equipment and Safety Tips!  Goggles  Erlenmeyer flask  Tongs  Fire safety

Steps of the Scientific Method What observations can you make about the picture below?

Steps of the Scientific Method Ask a question.

Steps of the Scientific Method Gather background information. What do you already know? How could you find out more?

Steps of the Scientific Method Make a hypothesis. Test the hypothesis.

Steps of the Scientific Method Collect and analyze data. How do scientists do this?

Steps of the Scientific Method Draw conclusions. Reflect! Why is this so important?

Exit Ticket  Please write answer in COMPLETE SENTENCES. 1. Why is it so important to follow the scientific method when conducting experiments? 2. Why is current scientific research important to a teenager like you?