Science- Fun with Magnets

Iron ✘ Nickel ✘ Cobalt ✘ All of these ✔

cylindrical ✘ ball ended ✘ horse shoe ✘ all of these ✔

near the middle ✘ equally everywhere ✘ near two ends ✘ at the middle and ends ✔

north-south directions ✘ east-west directions ✘ upside down ✘ any direction by chance ✔

N-pole of one magnet with N-pole of other ✘ N-pole of one magnet with S-pole of other ✘ S-pole of one magnet with S-pole of other ✘ all of these cases will show attraction ✔

Magnetite ✘ Haemetite ✘ Bakelite ✘ Copper ✔

Heat can destroy magnetic properties of a magnet. ✘ Magnets are made up of different materials and different shapes. ✘ There is a maximum attraction in middle of a magnet. ✘ Magnetite does not show magnetic properties. ✔

hammering ✘ heating ✘ dropping on a hard surface ✘ boiling ✔

North pole ✘ South pole ✘ North and south pole ✘ Self demagnetisation ✔

wood ✘ plastic ✘ paper ✘ iron ✔