Electricity for the 4-H Scientist. Eric B. Wilson

Electricity for the 4-H Scientist - Eric B. Wilson


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       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


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