Fun with Magnets Worksheet-2

Fun with Magnets Worksheet-2

1. Reeta puts two different objects in each of the following containers.

Container (i) : Copper coin and iron nail

Container (ii) : Steel nail and aluminum earring

Container (iii) : Marble and gold coin

Container (iv) : Nickel coin and steel nail

She can use a magnet to separate the objects in containers _____

(a) (i) & (ii)                                    (b) (i), (ii) & (iii)

(c) (i), (ii) & (iv)                            (d) (i), (ii), (iii) & (iv)

2. Four different nails (i), (ii), (iii) and (iv), were stroked with a magnet. Which of them will become magnets?

(i) Iron nail (ii) Steel nail (iii) Copper nail (iv) Aluminum nail

(a) (i) & (ii)                                    (b) (iii) & (iv)

(c) (i), (ii) & (iii)                           (d) (i), (ii), (iii) & (iv)

3. The group in which all are nons-magnetic materials

(a) Plastic, wood, iron, paper

(b) Iron, nickel & cobalt

(c) Leather, iron, nickel & clothes

(d) Plastics, leather, clothes & paper

4. When a bar magnet is being suspended freely.

(a) It will come to rest in the North-South direction

(b) It will come to rest in the East-West direction

(c) It will not point to a fixed direction

(d) South-pole of the bar magnet will point to the geographical North

5. Magnets loses their properties significantly if

(a) Left in the open

(b) Touched with iron

(c) Dropped from a height

(d) None of these

Answer Key:

(1)–(a); (2)–(a); (3)–(d); (4)–(a); (5)–(b)