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1. The magnetic needle points to the north.

2. Do you know who invent magnetic needle?

3. The action of the negative pole of a magnetic needle is just as real as the action of the positive pole.

4. When lava solidifies, its tiny ferrous particles align themselves, like magnetic needles, with the earth's magnetic field.

5. The rectangular brass frame surrounds a high - visibility magnetic needle that pivots on an adjustable support.

5. Sentencedict.com is a sentence dictionary, on which you can find good sentences for a large number of words.

6. The direction of the earth's magnetic pole, to which the north-seeking pole of a magnetic needle points when free from local magnetic influence.

7. Whenhe was, for instance, his father gave him a compass with a magnetic needle.

8. The needle is made of some parts such as minus pressure needle theca , polar mark, transparency magnet, forceful magnetic needle, defensive rubber circle and so on.

9. Second, in 1820, the Danish physicist Hans Christian Oersted (1777-1851) demonstrated the connection between electricity and magnetism by deflecting a magnetic needle with an electric current.

10. The iron in the ship caused a deviation of the magnetic needle of the compass.

11. A device that eliminates or progressively diminishes vibrations or oscillations, as of a magnetic needle.

12. The iron in the ship cause a deviation of magnetic needle of the compass.