Electricity for the 4-H Scientist Idaho Agricultural Extension Service Bulletin 396, June, 1962
Free

Electricity for the 4-H Scientist Idaho Agricultural Extension Service Bulletin 396, June, 1962

By Eric B. Wilson
Free
Book Description

Table of Contents
  • ELECTRICITY for the 4-H scientist
  • HOW TO USE THIS BOOK IN FULFILLING THE GOALS OF THE 4-H ELECTRIC PROJECT FOR THE FIRST AND SUCCEEDING YEARS
  • TABLE OF CONTENTS
  • 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?
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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?
  • 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?
  • 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!
    • BE CAREFUL!
    • Replace Any Wrong-Size Fuses
    • Talk it Over With Your Parents
    • What Did You Learn?
    • Demonstrations You Can Give
    • For More Information
  • 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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