Electricity for the 4-H Scientist

About this eBook

Author

Wilson, Eric B.

Credits

E-text prepared by Kevin Handy, John Hagerson, Matthew Wheaton,

Language

English

LoC Class

QC: Science: Physics

Subject

Electricity -- Juvenile literature

Category

Text

eBook-No.

38036

Project Gutenberg

https://www.gutenberg.org/ebooks/38036

Release Date

November 16, 2011

Copyright

Public domain in the USA.

Contents

1. 1.ELECTRICITY for the 4-H scientist
2. 2.HOW TO USE THIS BOOK IN FULFILLING THE GOALS OF THE 4-H ELECTRIC PROJECT FOR THE FIRST AND SUCCEEDING YEARS
3. 3.TABLE OF CONTENTS
4. 4.LESSON NO. B-1 — Electrical Conductors — Electrical Insulators — Play It Safe — Electrical Terms — WHAT TO DO: Make A Circuit Board — Parallel Wiring — Series Wiring — SUGGESTED DEMONSTRATIONS — Water And Electricity — For More Information — What Did You Learn?
5. 5.LESSON NO. B-2 — TOOLS FOR ELECTRICIANS — Basic Tools for Electrical Work — WHAT TO DO: Build a Tool Chest — Demonstrations You Can Give — For Further Information
6. 6.LESSON NO. B-3 — What's In A Lamp? — WHAT TO DO—Rewire A Lamp — How To Do It: — What Did You Learn? — SUGGESTED DEMONSTRATIONS — For More Information
7. 7.LESSON NO. B-4 — MAKE A TROUBLE LIGHT. — What Size Cord? — Cord, Plug and Guard — How to Make the Trouble Light — What Did You Learn? — Ideas for Demonstrations and Exhibits — For More Information
8. 8.LESSON NO. B-5 — WHAT MAKES MOTORS RUN — Motors Are Magnets — We Can Improve It — We Need An Electromagnet — Switching Poles Automatically — Increasing Efficiency — WHAT TO DO: Make A Motor — Step No. 1-Armature — Step No. 2-Commutator — Step No. 3-Field — Step No. 4—Armature Supports and Brushes — Demonstrations You Can Give — For Further Information
9. 9.LESSON NO. B-6 — TAKING CARE OF ELECTRIC MOTORS — You'll Need — WHAT TO DO — What Did You Learn? — Demonstrations You Can Give — For Further Information — ELECTRIC MOTORS SERVICE CHART Sample
10. 10.LESSON NO. B-7 — READING THE ELECTRIC METER — Reading a Meter — What's Your Electric Bill? — Estimating Operating Costs — Adding Low Cost Helpers — WHAT TO DO: Find the Cost of Operating Electrical Equipment — Demonstrations You Can Give — For Further Information
11. 11.LESSON NO. B-8 — IRONING IS FUN WITH THE MODERN HAND IRON — Important Things to Know — The Iron and Safety — WHAT TO DO: Learn About Your Iron — IRONING IS FUN — Demonstrations You Can Give — For More Information
12. 12.LESSON NO. B-9 — WHAT TO DO: — SAFETY TIPS — 4-H Electric Hazard Hunt Guide — How Many Hazards Did You Find? — Demonstrations You Can Give — For Further Information
13. 13.LESSON NO. B-10 — HOW ELECTRIC BELLS WORK—FOR YOU — What to Do — Bells and Buzzers Can Tell a Lot — Why They Buzz or Ring—Electromagnetism — A Special Kind of Electricity — How to Control Them — Pick the Right Bell or Buzzer — How to Plan Your System — Materials You'll Need — Install According to Your Plan — Demonstrations You Can Give — For More Information
14. 14.LESSON NO. B-11 — FIRST AID FOR ELECTRICAL INJURIES — What to Do — Electricity Can Kill — Prevent Accidents — Think, Then Act — First Aid — Mouth-To-Mouth Rescue Breathing — What Did You Learn? True or False — Demonstrations You Can Give — For More Information
15. 15.LESSON NO. B-12 — HOW ELECTRICITY HEATS — What to Do — "Resistance" Makes Heat — Make a Simple Resistance Heater — Conduction is "Touching" Heat — Convection Depends on Air — Radiation is Like the Sun — Make Popcorn 3 Ways — What Did You Learn?
16. 16.LESSON NO. B-13 — MYSTERIOUS MAGNETISM — What to Do — "See" a Magnetic Field — Make an Electro-Magnet — Make a Permanent Magnet — See How They Attract and Repel — Make Many From One — Magnetism and Animals — What Did You Learn?
17. 17.LESSON NO. B-14 — Give your appliances and lights a square meal — What to Do — Count Your Electrical Blessings — Some Homes Are Behind Times — Watch for Signs of Starvation — Each Circuit Big Enough — Only One Fuse Size Right — Make a Circuit Chart — Check the Wire Sizes — BE CAREFUL! — Replace Any Wrong-Size Fuses — Talk it Over With Your Parents — What Did You Learn? — Demonstrations You Can Give — For More Information
18. 18.LESSON NO. B-15 — YOU CAN MEASURE ELECTRICITY — What to Do — How They Work — Detect a Magnetic Field — Detect a Tiny Current — Make a Simple Galvanoscope — Measure the Voltage of Batteries — Test for Induced Current — What Did You Learn? — Demonstrations You Can Give — For More Information

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