Aug 10

Bell Ringer: What are some of the techniques used to purify water? In other words, how does the county purify our water?

Turn in Homework Problems 1 and 2 from page 23.

Lab Safety  

Retest If you don’t pass by Monday afternoon, you will do a 5 page report on a topic of my choice, instead of the lab planned for Tuesday.

Lab Books      

Number pages Only right on right hand side Date Title Partner’s Name Purpose 

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Materials 

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tables

Calculations 

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MSDS

Data 

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Write it in complete sentences

Show all work

Conclusion 

Answer questions

Prelab    

Prepare notebook Title Purpose Materials 

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MSDS Sheets

Data Tables Must be done BEFORE lab, or you will not be allowed to perform lab 

ZERO

During Lab    

Make observations Record Data Do not leave your lab bench. Clean up after the lab is over.

Post Lab 

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Write a conclusion, write complete sentences. Answer all questions 

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Write the questions, then answer

Did anything go wrong? Write complete sentences Hand it in for grading.

Foul Water Lab

Mean, Median, Range

Homework  

Prelab Mean, median, range worksheet