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Bell Ringers for Conservation of Mass

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bell ringer 1

This is my first year of using Modeling Instruction in my chemistry classes. During a fit of productivity, I created some bell ringers for unit one, which is partly about conservation of mass. I hope you will find them useful. Comments are welcome. I would love to see what others might be using.

You can access the bell ringers below. They are part of the "student document".

 

 

Concepts: 

Conservation of mass

Time required: 

Approximately 5 minutes per class period.

Background: 

These are bell ringers for use while teaching conservation of mass.

Procedure: 

Provide one bell ringer per day to get class started. Project it for students and give them just a few minutes to complete. 

Preparation: 

none

Attribution: 

I created these myself while using Modeling Instruction.

Student Document: 

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