Physical Science 20 Wave Applet

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Physical Science Final Review

I have finished your review for the final exam.  It is posted in the Physical Science 20 Course Notes link.  It is a structure for a study guide that you build that goes through all the important things that we have learned in the last 2 units.  If you are not aware, the final exam will be on the physics unit as well as the heat unit.  We will talk more about the final exam after your waves quiz on Monday.

As well for those asking for extra practice on the waves unit, I have posted some extra worksheets in the notes link in the folder labelled Extra Practice.

Science 90 - Jan 15

Today students wrote their quizzes on the first half of the universe unit.  We then finished the notes on telescopes by looking at the Kepler Planet Finder telescope and the data that it has collected.  We then looked at the possibility of travelling to some of these star systems and extra solar planets.  We are limited by a couple of things but most of all by our technologies.  These notes were covered on slides 87-93.  Students then had the rest of class to work on the assignment given on slide 83.  This will be taken up tomorrow.  Tomorrow we will finish the unit as well.

Physical Science 20 - Jan 15

Today we went over Homework 5.4 and then we learned about how waves behave in 2 dimensions.  Wave behaviour in 2D is slightly different then in 1D but really similar to light behaviour.  We looked at the properties of reflection and we started in on refraction.  This was covered on slides 148-158.  Students had a little bit of time to work on Homework 5.5, which will be due tomorrow.

Tomorrow we will finish up the waves unit by looking at the rest of refraction and diffraction.

Physics 30 - Jan 15

Today we continued our unit on electricity with a look at how Kirchoff's Laws apply to series circuits.  Series circuits are circuits where there is only one pathway for current to flow.  We then learned how Kirchoff's translate for a series circuit and what they mean mathematically.  We watched a quick video that discussed the reasoning behind a series circuit and then did examples 16 and 17.  Students had the rest of class to work on Assignment 5.5.  Tomorrow we will finish the unit by looking at parallel circuits.

Science 90 - Jan 14

We just reviewed what the sub went over with you yesterday and answered the questions from the textbook for the assignment she gave yesterday.  The sub went through slides 59-79 yesterday and gave an assignment which was on slide 65.  Tomorrow we will finish what the the notes on telescopes and begin to look at technology used to travel in outer space.

Reminder that tomorrow you have a quiz on this space stuff.  Study everything we have done so far up to the end of galaxies.

Physical Science 20 - Jan 14

Today we learned about standing waves and how they are formed.  These are waves that appear to be standing still and are caused by interference between an incident wave and a reflected wave.  The terms nodes and antinodes were introduced and we looked at some formulas that show the relationship between the distance between adjacent nodes and the wavelength, as well as the length of the medium and the wavelength.  Students were to work on Homework 5.4 from yesterday and have that done for tomorrow.