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Nelson Education > School > Secondary Science > Science 9, Concepts and Connections > Student Centre > Web Links > Unit 3
 

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UNIT 3: ELECTRICAL APPLICATIONS

 

3.1 Investigation: Investigating Electric Charges

  3.3 Investigation: Charging by Contact
  3.4 What Is Electric Current?
  3.5 Activity: The Electric Circuit
  3.7 Investigation: Building Parallel and Series Circuits
  3.10 Case Study: Electrical Resistance
  3.12 Career Profile: Home Security Systems Installer
  3.14 Energy Conservation
  3.18 Comparing Electrical Energy Production
  3.19 Explore an Issue: Choosing an Energy Source

 

Section Links

3.1

Investigation: Investigating Electric Charges

What Is Static Electricity?  A complete and comprehensive online unit on electrostatics complete with suggested activities.

Static Balloons.  Investigate electrostatics with balloons.

Charged Humans.  Read case studies about people who could generate sparks at will, find out why you create sparks when you shuffle your feet on a wool rug, etc.

Click on the different links on ExploreScience.com: Electricity and Magnetism to discover more about electric charges.

3.3

Investigation: Charging by Contact

How Lightning Works.  Learn all about the amazing forces that create thunder and lightning.

Nova: indoor lightning.  The PBS series outlines an activity to make indoor lightning

Lightning and Storms.  Images of lightning strikes and thunderstorms with lightning.

Lightning: The Shocking Story.  National Geographic site that includes; The Science of Lightning, Striking photos, Survivors tell their stories...

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3.4

What Is Electric Current?

Electric Shock. Steps to take when trying to treat an electric shock victim.

Electric Shock Safety. A list of safety rules to follow when working with electricity and to prevent electric shock.

Electrical Safety in the Home. Tips on how to prevent children from receiving severe electric shocks in the home.

The Truth About Electric Shock! Discover how little electricity it takes to cause an electric shock. Explore the links on the page to learn more about hidden dangers, and how to perform a home safety audit.

 

3.5

Activity: The Electric Circuit

Interactive Electric Circuits. Choose the Circuits link to watch a demonstration of how electric circuits are constructed. Explore the other links as well.

3.7

Investigation: Building Parallel and Series Circuits

Introduction to Batteries.  Explains the difference between cells in series and parallel

DC Circuits.  Excellent page on series and parallel circuits with a mini-quiz at the end. You can also ask questions if you need further information.

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3.10

Case Study: Electrical Resistance

The Virtual Lightbulb Simulator (Java Applet) — U. of Oregon.  "Discover OHMS law by using different combinations of Voltage and Resistance and constructing a circuit that activates the Virtual lightbulb."

Pressure and Flow Rate. See how Ohm’s Law relates to water flow and pressure. View the animations to illustrate the concepts.

 

3.12

Career Profile: Home Security Systems Installer

Career Gateway. Explore these Government of Ontario pages to learn more about a career as a home security systems installer.

Career Choice for the Future. Read an article discussing the future of security systems. Included are some helpful tips on what this particular company looks for in their technicians.

3.14

Energy Conservation

Efficiency Guides and Brochures for Your Home. Explore the many different brochures and guides offered at this Web site.

Office of Energy Efficiency. Information and advice to help you save energy and money, and to help save the environment.

Conserving Energy in the Workplace. Tips on how to reduce energy consumption at the office.

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3.18

Comparing Electrical Energy Production

An Introduction to Solar Energy. Read this article to learn more about the various ways to harness solar energy and convert it into useable energy.

El Paso Solar Energy Association. Explore this Web site to discover the many different applications of solar energy.

Solarbuzz: Uses of Solar Energy. Discusses converting traditional homes into homes that can use solar energy. Also looks at using solar energy in industrial applications.

3.19

Explore an Issue: Choosing an Energy Source

The Problem: The Energy Crisis. Informative Web site about the consumption of fossil fuels, and alternative forms of energy.

Energy: Making Sustainable Choices. Talks about how much people depend on energy, and ways individuals can reduce the amount of energy they use as well as start to use renewable sources of energy.

Energy and Energy Resources. Read about the various forms of available energy and some of the advantages and disadvantages associated with each.

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