Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What...

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Page 11 of scientific notebook

Transcript of Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What...

Page 1: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Page 11 of scientific notebook

Page 2: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Bell Work: Write these in table of contents

Table of Contents1. What is Chemistry Cornell Notes ………………………………………..page 52. State of Matter/Evidence of a chemical change………………….page 63. Measurements and Calculations………………………………………..page 74. SI Prefixes/Base Units/Problem Solving…………………………….page 85. Rules for Determining Significant Figures…………………………..page 96. Scientific Method graphic Organizer………………………………..page 107. Scientific Method Cornell Notes………………………………………..page 11

Page 3: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

What is the scientific method?

The Scientific Method is a series of steps that are used to

solve a problem.

Page 4: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Scientific Method

Top of Page 10 in Scientific Notebook

Page 5: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Steps of the Scientific Method

1. Observation/Research/State the Observation/Research/State the ProblemProblem: Make observations and research your topic of interest.

Page 10 of Scientific Notebook

Page 6: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Do you remember the next Do you remember the next step?step?

Formulate a HypothesisFormulate a Hypothesis

Page 7: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Steps of the Scientific Method

2. Formulate a HypothesisFormulate a Hypothesis: Predict a possible answer to the problem

or question.Example: If soil temperatures rise,

then plant growth will increase.

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Steps of the Scientific Method

3. ExperimentExperiment: Develop and follow a procedure.

Include a detailed materials list.

Page 9: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Steps of the Scientific Method

4. Collect and Analyze ResultsCollect and Analyze Results: Modify the procedure if needed.

Confirm the results by retesting.Include tables, graphs, and

photographs.

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Steps of the Scientific Method

5. ConclusionConclusion: Include a statement that accepts or rejects the

hypothesis.Make recommendations for

further study and possible improvements to the procedure.

Page 11: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Think you can name all five Think you can name all five steps?steps?

Formulate a HypothesisFormulate a HypothesisState the ProblemState the Problem ExperimentExperiment

Collect and Analyze ResultsCollect and Analyze ResultsConclusionConclusion

Page 12: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Let’s Test Our Understanding!!!

Page 13: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Observation

John watches his grandmother bake bread. He ask his

grandmother what makes the bread rise.

She explains that yeast releases a gas as it feeds

on sugar.

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Observation/ResearchJohn researches the areas

of baking and fermentation and tries to come up with a way

to test his question.He keeps all of his

information on this topic in a journal.

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Problem/Question

John wonders if the amount of sugar used in the recipe will affect the size of the bread loaf?

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Formulate a Hypothesis

After talking with his teacher and conducting

further research, he comes up with a

hypothesis.“If more sugar is added,

then the bread will rise higher.”

Page 17: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Hypothesis The hypothesis is an educated

guess about the relationship between the independent and

dependent variables.Note: These variables will be defined in the next few slides.

Page 18: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Do you know the difference Do you know the difference between the independent and between the independent and

dependent variables?dependent variables?

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Independent Variable The independent, or manipulated

variable, is a factor that’s intentionally varied by the

experimenter.John is going to use 25g., 50g., 100g., 250g., 500g. of sugar in his

experiment.

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Dependent Variable The dependent, or responding variable, is the factor that may change as a result of changes

made in the independent variable.In this case, it would be the size of

the loaf of bread.

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Experiment

His teacher helps him come up with a

procedure and list of needed materials.

She discusses with John how to determine the

control group.

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Control In a scientific experiment, the

control is the group that serves as the standard of comparison.

The control group may be a “no treatment" or an “experimenter

selected” group.

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Control Group The control group is exposed to the

same conditions as the experimental group, except for

the variable being tested.All experiments should have a

control group.

Page 24: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Constants

John’s teacher reminds him to keep all other

factors the same so that any observed changes in

the bread can be attributed to the

variation in the amount of sugar.

Page 25: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Can you think of some Can you think of some constants for this experiment?constants for this experiment?

Page 26: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

ConstantsThey might include:

Other ingredients to the bread recipe, oven used, rise time, brand of ingredients, cooking

time, type of pan used, air temperature and humidity

where the bread was rising, oven temperature, age of the

yeast…

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ExperimentJohn writes out his

procedure for his experiment along with a

materials list in his journal. He has both of

these checked by his teacher where she checks for any safety concerns.

Page 28: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Trials

Trials refer to replicate groups that are exposed to the same conditions in

an experiment.John is going to test each

sugar variable 3 times.

Page 29: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Collect and Analyze ResultsJohn comes up with a

table he can use to record his data.

John gets all his materials together and carries out his

experiment.

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Size of Baked Bread (LxWxH) cm3

Amt. of Sugar (g.)

1 2 3 AverageAverage

Size (cmSize (cm33))

25 768 744 761 758

50 1296 1188 1296 1260

100 1188 1080 1080 1116

250 672 576 588 612

500 432 504 360 432

Size of Bread Loaf (cmSize of Bread Loaf (cm33))

TrialsTrials

Control group

Page 31: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Collect and Analyze ResultsJohn examines his data

and notices that his control worked the

best in this experiment, but not significantly better

than 100g. of sugar.

Page 32: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Conclusion

John finds that 70g. of sugar produces the

largest loaf.His hypothesis is

accepted.

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Communicate the Results

John tells his grandmother about

his findings and prepares to present

his project in Science class.

Page 34: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Quick Quiz

1) Write Down the Steps of the Scientific Method and give an explanation of each in your own words.

2) How many step are in our scientific Method

Page 35: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Next We Will…….

• Come up with an Experimental Question.• State an Hypothesis.• Decide what our Independent & Dependent

Variables will be.• Experiment• Collect/ Analyze Data and Produce a Graph• Communicate Results to the Class

Page 36: Page 11 of scientific notebook. Bell Work: Write these in table of contents Table of Contents 1.What is Chemistry Cornell Notes ………………………………………..page.

Homework

• Think of a problem that could be solved using the scientific method.


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TABLE OF CONTENTS Page INTRODUCTION

TABLE OF CONTENTS Page INTRODUCTION

Table of Contents Page

Table of Contents Page

Front Page, Table of Contents

Front Page, Table of Contents

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Table of Contents Page - NHTSA

TABLE OF CONTENTS CONTENT PAGE

TABLE OF CONTENTS CONTENT PAGE

TABLE OF CONTENTS Lesson # Page

TABLE OF CONTENTS Lesson # Page

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Table of Contents - Home Page |

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TABLE OF CONTENTS TABLE OF CONTENTS Table Q1 Page 1 …TABLE OF CONTENTS TABLE OF CONTENTS Table Q1 Page 1 Q1 Table Q1 Page 1 Q1 IN GENERAL, how SATISFIN GENERAL, how SATISFIED are

TABLE OF CONTENTS S.No. Contents Page No.

TABLE OF CONTENTS S.No. Contents Page No.

Table of Contents S. No. Contents Page Number

Table of Contents S. No. Contents Page Number