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ICP Name: ____________________________________________________ Date: _______________

Density Unit

Mark Sailer
Science Teacher
Pioneer Jr-Sr High
 

Unit Portfolio (Includes all A, B and C Activities) Due Friday September 16

Unit Test Friday September 16

Objectives/Learning Guidelines

  • Determine the densities of various liquid and solid materials.
  • Make Measurements in the laboratory to the precision of the instruments used.
  • Learn the difference between accuracy and precision in experimental measurements.
  • Retain significant figures in calculations involving experimental measurements.
  • Use density measurements to determine the identity of a material.
  • Locate sourced of the variation in the class's experimental results.

State Standards Addressed

          CP.1.4 Know and explain that physical properties can be used to differentiate among pure substances, solutions, and heterogeneous mixtures. 

REMINDER YOU MUST WORK EACH DAY YOU ARE IN CLASS AND MUST MAKE PROGRESS TOWARD COMPLETION OF ACTIVITIES AND POINTS!!!! 

C Layer Activities (65 points maximum)

Thursday September 1, 2005 Unit Begins

    *** FIRST UNIT TEST DAY ***  FIRST UNIT PORTFOLIO DUE ***

    1.  Lecture/Discussion Notes Introduction to Unit  (5 points)   _____

    1. Cereal Comparisons Start this lab

Friday September 2, 2005

    *** FIRST UNIT TEST DAY ***  FIRST UNIT PORTFOLIO DUE ***

    1.  Lab Cereal Comparisons   (15 points)      _____

Monday September 5, 2005 Labor Day No School

Tuesday September 6, 2005

    1.  Question/Discussion Notes/Participation Since a kilogram of feathers and a kilogram

    of lead have the same mass, how do they appear different and why? (3 points)  _____

    2.  * REQUIRED * Lab Mass and Volume of Liquids  (Start Lab)

Wednesday September 7, 2005

    1.  Lab Continued Mass and Volume of Liquids (15 points)   _____ 

    2.  Skill Sheet 17A  (5 points)  (Oral Defense)   _____

      3.  Math Skills Density Show Your Work (5 points)  Oral Defense   _____

Thursday September 8, 2005

* REQUIRED * Lab Mass and Volume of Solids  (Start Lab)

Friday September 9, 2005

    1.  Lab Mass and Volume of Solids Continued    (15 points)   _____

    2.  Density Check up Questions (5 points)     _____

    3.  Density Questions       (5 point)      _____

Monday September 12, 2005

      B Layer Work - Turn in when Complete

Tuesday September 13, 2005

      Finish B Layer Work - Turn in when Complete

Wednesday September 14, 2005 Last Day to work on unit in class

    A Layer Work - Turn in when Complete

          B-layer and A-Layer work must be turned in September 15 to be checked!!!

Other C Layer activities

    Daily Log Summary Sign up for one day, Submit 2 copies of log next day (5 points) 

B Layer Activities (Choose one - 15 points maximum)  - Conduct a Scientific investigation to find out the answer to one of the following questions.

  1. What is the density of coke and diet coke?
  2. What is the density of air?
  3. What is the density of a pencil?
  4. Create your own question and investigate.  Get approval for your question before starting.

A Layer Activities (Choose one - 20 points maximum)

                  Use A-Layer Research Form

      1.  Should the US completely convert to the metric system? 

    2.  Another Question Approved by Mr. Sailer. 

Keep track of your points by circling the activity and writing your points received. 

C Layer Points Earned ___________ (Maximum 65) 

B Layer Points Earned ___________ (Maximum 15) 

A Layer Points Earned ___________ (Maximum 20) 

                    Total Points Earned   _________________ 
         

    Grades   40-55 D  56-70  C  71-85 B  86+ A








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