Mass and Volume

For lesson 4, we will explore the concepts of mass and volume.  We will briefly discuss the ChemCatalyst from the Lesson 4 PowerPoint and students will be reintroduced to the metric system.  To help reinforce the learning, we will embrace the power that is Pete Hendley:

We will discuss common metric system prefixes and learn the difference between milli- (1/1000), centi- (1/100), and kilo- (1000) as applied to the base units of meter, liter, and gram.  For the remainder of the lesson, students will work with a partner to complete Activity A for both the Triple Beam Balance and Measuring Volume Gizmos on the Explore Learning website.

Instructions on how to set up a Gizmo account:

  1. Go to
  2. Click the Login/Enroll button (upper right).
  3. Enter the class code (written on the white board).
  4. Click the Enroll in Class button.
  5. Choose “I need to create…” option.
  6. Enter your First and Last name (not email!)
  7. Use your student numer (s-#######) as your username.
  8. Enter birthdate as password (MM/DD/YYYY)
  9. Click “Submit”
  10. Launch the Triple Beam Balance Gizmo
  11. Complete the Student Exploration worksheet

Students who complete Activity A of both Gizmos should continue working on Activity B of the Measuring Volume Gizmo.

Class Notes:



Bonus credit opportunity!  Put your triple-beam balance skills to the test and head to Nurse Jessica’s office and measure your weight on the clinic scale.  Your data stays private and you earn a bonus point with her verification of you successfully achieving balance.

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