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Mr. Lang's World of Science

Mr. Lang's activities at PJHS.
Mr. Lang's World of Science Blog  
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Chapter 11

Dec 9, 2009
If you blink, you might miss chapter 11 whizzing past you. We are taking notes on Chapter 11, section 1,2,4 and 3 (Yes, out of order) Vocabulary words due next Monday: Pressure Pascal fluid pressure 10.13 N/cm2 (Air pressure at sea level- its NOT in...

FORCES test

Nov 30, 2009
You know how there is always one REALLLLLLLY hard question? This time it is going to be based off of the NEWTON'S SCOOTER lab. If I give you an accelerating object and its: MASS DISTANCE TIME Can you calculate the NET FORCE?

Week of Nov 30th

Nov 29, 2009
Greetings! I hope everyone is done digesting Thanksgiving dinner by now! Mon/Tues, the last of the Chapter 10 homework is due, the last set of flashcards and the Chapter 10 Assessment. We will be doing the LAST of the Chapter 10 labs... NEWTON'S...

Week of November 23rd.

Nov 23, 2009
Wow, it's a SHORT week, with only 2 days! We will be discussing (with lots of demos) Newton's Third Law (a lot) a bit on momentum, and orbital motion. That finishes off the chapter! Homework: Flashcards from last week will be due when we come back...

Mass v Weight

Nov 23, 2009
In this lab we found the relationship between the mass and the weight of an object by finding a lot of masses, weights, and then using Newton's second law to find the accelerations. After using Newton's Second law to calculate FORCE divided by MASS to...


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