Part 16 (2/2)

[Illustration: Figure 6]

Make Many Fronetized) on a table and stroke it with one of the ranetized needle at least two inches on each return stroke Thus you canthe other needle

[Illustration: Figure 7]

Use the wire cutters to cut the first ths (Cover the needle with a cloth to keep the pieces fro the conet?

Hold one end, then the other, of each piece to a compass Does each piece have both a North Pole and a South Pole?

Magnetiss you have done show that electricity and netiss to discover about it It is thought that aninetisets lost in the woods, he tends to go around in circles

Possibly this is caused by the earth's netic field

What Did You Learn?

1 Where are natural nets be net? For a tenet?

4 How can you find out which is the North Pole of an unnet have?

6 Which netic poles attract each other?

7 Why couldn't you make a compass out of a strip of plastic?

8 What causes the co battery current is held over the needle?

9 List the materials you would need and tell how you would build a homemade co acquainted with netism

LESSON NO B-14

Credit Points 2

Give your appliances and lights a square meal