[Gutenberg 38036] • Electricity for the 4-H Scientist / Idaho Agricultural Extension Service Bulletin 396, June, 1962 by Wilson, Eric B. -- Read -- Imperial Library of Trantor

Index

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!

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