Wednesday, August 20, 2014

Measurement and Density

In class today (Tuesday) we finished up notes on measurement (see previous post for a link) and completed a measurement activity - the numbers on your worksheet need to be correct when you turn them in tomorrow.  One objective of this course is for you to be capable of using measurement tools properly to accurately represent a particular value; you will have some physical measurement question(s) on the end-of-unit exam.  (this skill will also be very useful in future labs/careers/life!!)
We also attempted another estimation; this time the length of the courtyard at school is the question.  Assuming no rain...  ? we will measure it tomorrow to see who's closest.
Wednesday in class:
Books will be passed out for those wanting regular texts.  Keep these at home!  

We will start notes on Density and have some fun activities and demonstrations mixed in as well Wed-Friday.

Homework:  will help give more background for density and wrap up some of the measurement topics we've reviewed so far:
Due on Friday: Read p. 14-21 in the text; work p. 21 #1,2,4,5    
Recommended extra problems:
P. 32 (chapter review) problems 2,4,9, 12-17 (except 15), 23,24, 27-29.
If you have any questions, you may come in and ask or see my teacher's edition to the textbook anytime!

On Friday in class we will go over answers to the homework, try some conversions between units, and see density demonstrations.  

August 28th (next Thursday in Science Club) we will try to measure a HUMAN's density!  Come and see, and bring extra clothes or a swimsuit!  :)

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