Download doc - 8J Magnets and Magnetism Multiple Choice Test

Chapter 6 Multiple choice test

Chapter 6 Magnetism

SoW ref 8J Magnets and electromagnets

Name Class Teacher

There is only one correct answer to each question. Tick () the box next to the answer that you think is right.

1 Which answer contains metals that are all magnetic?A aluminiumB cobalt, nickel, iron, steelC copper, lead, brass, zincD iron, aluminium, zinc, lead

2 When two pieces of steel are pushed together they push away from each other. The force that does this isA elastic force B gravity forceC electrostatic force D magnetic force

3 A compass has a small balanced pointer that always points North-South. This is becauseA gravity makes the needle point this wayB the compass needle points to cold placesC the earth has a magnetic field and the pointer is magneticD the stars exert a force on the needle

4 A pupil sets up the test apparatus shown in the drawing. When they put sheets of different materials between the magnet and the steel ball one stops the magnetic attraction. Which material will do this?

A aluminium foil B cardboardC copper sheet D steel sheet

Hodder Science Assessment Pack © 2003 Hodder & Stoughton Educational


5 Orienteering is a sport where people use a compass to find their way. Competitors know to avoid using their compass near overhead power lines. Which answer explains why this is?A birds often roost on power linesB power lines can electrocute youC power lines produce a magnetic fieldD power lines produce a sound when it is raining

6 Which combination of magnetic field lines and poles shows two magnets repelling each other?A B

C D

Questions 7–9 refer to the following drawing of apparatus.



7 When the switch is closed a magnetic field is produced by the coil. Which answer shows the shape of the field?A B

C D

8 The strength of the magnetic field round the coil can be changed. Which of the following would not increase the overall strength of the field?A higher current in the coilB iron core put in the tubeC more turns of wire in the coilD smaller cardboard tube

9 Cores of iron and steel are put in the tube. The current is switched on for two minutes and then turned off. Which answer describes the effect on the cores?

Iron core Steel core

A Permanently magnetised Temporarily magnetised

B Permanently magnetised Permanently magnetised

C Temporarily magnetised Permanently magnetised

D Temporarily magnetised Temporarily magnetised

A B C D



Questions 10–12 refer to the drawing below of an electric bell.

10 What materials should the parts of the bell be made from?

Springy hammer Core in coil Adjustable screw

A brass steel iron

B iron brass steel

C steel iron brass

D brass iron steel

A B C D

11 What would be the effect of reversing the battery in the bell circuit?A the bell would ring more softlyB the bell would not ringC the bell would ring once and stopD the bell would ring properly

12 What would be the effect of using less turns of wire in the coil?A the bell would ring more softlyB the bell would not ringC the bell would ring once and stopD the bell would work properly
