Saturday, April 18, 2009

Series Circuits



Here are the series circuit images:
http://www.danieltrimpey.com/learn/electronics/images/series.GIF
and http://iss.cet.edu/electricity/pages/images/G/g1_3.jpg

Parallel Circuit Diagram


Now try to draw the diagram!

Parallel Circuit


This is what it looked like when you did it in class.

http://www.atlanticpixel.com/3d/parallel_circuit.jpg

Parallel Circuit image


This is what a parallel circuit looks like.

http://iss.cet.edu/electricity/pages/images/G/g1_6.jpg

YouTube Video Covers All the Major Concepts of the Electricity Unit!

This covers just about everything. If you were going to spend your time on just one thing to review for the test or exam, this is the one!

http://www.youtube.com/watch?v=D2monVkCkX4

Taser FAQ from CBC


This site (link below) may be useful for your next assignment. It includes information about Tasers, Taser use, the pros and cons, the amount of electricity used and the effects. CBC is considered a reliable source. When you are looking for your own information, please consider the source.


Lightning Safely Tips

This is also a link to National Geographic. It might be helpful for your next written assignment.

http://environment.nationalgeographic.com/environment/natural-disasters/lightning-safety-tips.html

What is Lightning?


Read this page for National Geographic's explanation of what you learned in class. Notice the idea of negatively charged clouds and grounding.


Wednesday, April 8, 2009

Lightning in the World

Does the geographic frequency of lighning strikes. Follow this link for a map of the world that shows where lightning hits most.

http://en.wikipedia.org/wiki/File:Global_lightning_strikes.png

static review

Define static electricity (2 marks):
What is lightning (2 marks)?
Why does static electricity build up in winter air and not in summer air (2 marks)?
Name 2 insulators and 2 conductors (4 marks).
Look at the results of the electrostatics friction lab that you were working on (with the fur). What moved the most paper? What moved the fewest number of paper bits? (4 marks)
Why do you think you got those results? (2 marks for the reason, 4 marks for an explanation, 2 marks for an example)
Give an example of static electricity that you have seen in your life. (2 marks)

Wednesday, April 1, 2009

static electricity

Watch the clip. How do you think it happened? Think static electricity.

http://www.youtube.com/watch?v=gct1BmKNvU0&feature=related

Static Electricity with Bill Nye

This is a great one! Classic Bill Nye!

Notice the part about discharging, grounds and amber.


http://www.youtube.com/watch?v=d1ZdwyogAdE&feature=related