11/4/10

Rain, Rain Go Away

Today's rain has pretty much set the stage for people's mood and energy level. Tomorrow, likely more of the same.

Honors Physics completed their impulse-momentum lab, which we will discuss tomorrow. The unit that the lab introduced, momentum and its conservation, builds on our work with forces, Newton's laws of motion and work to investigate another major physics concept. We'll tackle the impulse-momentum theorem, conservation of momentum and types of collisions before the unit is completed.

Physics B went over their Energy and Machines math packet before turning attention to the idea of machines. Yesterday's discussion of conservation of energy definitely applies to machines in that no machine can give you more work out that you put in. We began to look at the inclined plane family today and will continue with that and hit the lever family tomorrow. Then, we start a series of investigations with the simple machines. Physics F completed their material on the simple machines today and are ready to start lab work with conservation of energy and machines tomorrow.

Physical Science spent yesterday going over their momentum problems. Always remember to identify information, write down the formula and place information in the formula according to the variable it represents before just trying to punch numbers into the calculator. Also, you can never forget about those unit conversions. Today, students worked on a lab centering on momentum and how both mass and velocity affect an object's momentum. We'll discuss the lab tomorrow and start working some problems for the impulse-momentum theorem.

Homework

Honors Physics: Complete lab write up
Physics B and F: None
Physical Science: Complete lab write up

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