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Welcome to Physical Science 2012!

Teacher Rebeca's latest presentations:









Latest presentation about Energy:

Presentation about simple machines:

Power point presentation by Teacher Rebeca: Trabajo, Potencia y Energia:

Here are the **Instructions** on what you need to do for the Lab Report. Make sure to do what is requested or you will lose points accordingly. Groups of three pay particular attention to point #9:



Here is the latest presentation related to Momentum, Impulse and Conservation of Momentum:

This is the practice that we did in the class that shows typical examples for momentum, impulse, etc:



Practice related to momentum and conservation of momentum (before I had problems 3 and 4 which you DON'T need to do):

Newton's Homework (remember that what counts is the procedure!):



Homework for Tuesday May 29th (for 7B and 7C) or for Wednesday the 30th (7A): Read section 2.7 of textbook (pages 41-44), relative to Newton's Third Law. Prepare a one page summary (resumen).

Here is a presentation that includes some review questions about the Newton's Laws topic:



First practice Newton's Laws:

First topic of 2nd. trimester:

Presentations that will be evaluated in partial:

Khan Academy videos.
These videos will help you to better understand the topics we have covered in class. Make sure to study them in the quiet of your home:

Introduction to Vectors and Scalars:

Calculating average velocity or speed:

Acceleration Porsche example: