two people in the labMeasurements

Comparing your observation to some standard gives it relative meaning. This comparison is called a measurement. When you do a measurement, you end up with a relative number that has units. This learning module goes over specific unit systems used in chemistry, how to convert one unit system into another, and the practice of judging to what digit the measurement and any calculations can be reported. Get out your rulers and you calculators. Here we go ...


thinking man's head icon Orientation

What do chemist do? How do we do it? What is a measurement? System System System. Rules Rules Rules. Get them down now or loose points every week. Grams, liters, gallons, Celsius, Kelvin, mili, mega, and the like ... this is what is in store for you. SI Unit System History HERE

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DNA icon Discovery and/or Exploration (10 Points)

ON CAMPUS Class: Arrive to lecture with your POGIL workbook. We will work on these in class.

ONLINE Class: You are to work on the following in your workbook, post three aspects of each not already posted as group work in the wiki area, and discuss ideas using the comments section while making any corrections to the wiki. You will have a separate wiki page for each ChemActivity. If the heading already exists, someone in your group already created it and it is time for you to edit the page and add your content. Make sure the wiki stays in the same order as in the workbook.

ChemActivity 5: Measurement and Significant Figures

ChemActivity 4: Unit Conversions

ChemActivity 6: Density and Temperature - (not graded. Do for practice) You can post your questions in the discussion board "Chemistry questions" area.

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open book icon Text Reading (5 Points)

Read Text Chapter 2 - Numbers, Units, Conversions, Problem Solving Techniques, Specific units used in chemistry.

ON CAMPUS Class: Arrive to lecture ready to discuss the text.

ONLINE Class: Post Reflection in the chapter discussion area. Write about numbers and units. Make an effort to discuss a specific conversion or unit that interests you. Give some details and discuss how you ideas are applied in chemistry.

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graduated cylinder icon Lectures

The live lecture is scheduled: CHEM10_Lectures

Older taped lectures are at this link:

1) illuminate

2) illuminate

Online Folks - Once you have gone through the lecture, place a reflection discussion post online. Make sure to reply to two other posts as well.

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man flexing a muscle iconHomework Assignment (5 Points)

Do these problems in your homework notebook: Both editions are the same - #26, 46, 49, 53, 65, 69, 77, 97, 101

Evaluate your progress with this assessment: M_HomeWork assessment.

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Flask Icon Laboratory (10 Points)

Laboratory work helps clarify some of the ideas for the week. See you there!

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atom icon Performance Assessment

One Homework Assessment (5 points)

One Chapter Assessment (10 points)

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