Monday, April 15, 2013
Physical Science B(Monday)

Bellwork:
    1.  What are some examples of safety devices found within a home?  How do they work?
   
    2.  How do we measure the rate that electrical energy does work?  What are the units?


Objectives:
    1.  Be able to identify what electric power is and how much everyday items use.

    2.  Understand the effect of electricity on the human body.

Go over power problems on whiteboards.

Discuss lightbulbs, physiological effects of electricity, and the history of electricity.

Today, discuss the home energy audit.  Everyone should have their log of hours.  We will fill in the log with the power consumption for each device.  Then, you will load the spread sheet, fill it in, print off, and answer the questions.

Finish the home energy audit and study for the test. 

HW: Answer the questions on the home energy audit, fill in the tables, and study for the test.  The test will be on Wed

Physics B (Monday)

Bellwork:
    1.  Provide a generalization for the speed of mechanical and electromagnetic waves in a solid, liquid,     and a gas.  Does this rule always hold true?  Provide an example if possible.

    2.  Explain the difference between a transverse wave and longitudinal wave.  Provide examples of each.

    3.  What is the speed of a wave with a wavelength of 2.5 meters and a period of 5 seconds?

Check and go over the waves speed problems. 

Discuss wave interactions.

Reflection Lab:  The first part of the lab you will use the plane mirrors to draw ray diagrams that will allow you to determine the position of the image formed in a mirror and secondly to analyze the law of reflection.

Secondly, based on the knowledge gained, you will predict where mirrors must be placed in order to hit the target of the sheet.

HW: Answer the lab questions.