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

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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

       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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