Fun with magnets Worksheet-4
(a) Poles (b) Hole (c) Ends (d) Corners
(a) Wood (b) Steel (c) Zinc (d) Aluminium
(a) Cobalt (b) Iron (c) Aluminum (d) Steel
(a) It stretches out into space (b) It keeps the moon in orbit
(c) There is no magnetic field (d) It is only found in the centre
(a) Electric motor (b) Clarinet
(c) Candle (d) Spring
(a) strike it with a magnet (b) heat it
(c) put it in water (d) hit it with a magnet
(a) Earth’s oceans have currents.
(b) Winds blow from east to west.
(c) A compass needle lines up with it.
(d) All things fall toward Earth’s center.
The N-pole of a bar magnet is brought near end A of an object that has similar size and shape of a bar magnet. If end A of the object is attracted to the N-pole of the magnet, we can conclude that :
(a) If object is a bar magnet then A is the South-pole
(b) If object is a bar magnet then A is the North-pole
(c) If object is not a bar magnet then object is some non-magnetic substance
(d) None of these
(a) Door paint
(b) Iron sheet in the doors
(c) Plastic or ceramic coating on the doors
(a) Michael Faraday (b) Maglev
(c) Sir Humphry Davy (d) Magnese
(a) Frictional force (b) Magnetic force
(c) Hydro Electricity (d) Electric current