1 Which property of a magnet causes it to attract iron? A Electric charge B Magnetic field C Gravity D Friction
2 Which are the two ends of a magnet called? A Electric poles B Positive and negative ends C Magnetic poles D Charged ends
4 Unlike magnetic poles will: A Repel each other B Have no effect C Attract each other D Destroy each other
7 Magnetism produced in an unmagnetized material is called: A Permanent magnetism B Residual magnetism C Induced magnetism D Electric magnetism
8 Which magnet loses its magnetism easily? A Permanent magnet B Temporary magnet C Bar magnet D Earth magnet
9 Steel is commonly used to make permanent magnets because it: A Is cheap B Has high retentivity C Is soft D Conducts electricity
11 The region around a magnet where magnetic force is felt is called: A Electric field B Magnetic zone C Magnetic field D Force area
12 Magnetic field lines always emerge from: A South pole B Center of magnet C North pole D All sides equally
14 Magnetic field lines never: A Intersect each other B Form closed loops C Exist outside magnet D Exist inside magnet
15 The closeness of magnetic field lines indicates: A Direction of field B Strength of field C Type of magnet D Mass of magnet
16 Which device is used to detect the direction of magnetic field? A Ammeter B Voltmeter C Compass D Thermometer
17 Iron filings are used to: A Measure magnetic field B Plot magnetic field lines C Increase magnetism D Destroy magnet
18 The magnetic field inside a magnet is directed from: A North to South B South to North C East to West D West to East
19 Which of the following is a use of permanent magnets? A Electric bell B Transformer C Loudspeaker D Electromagnetic crane
20 An electromagnet works on the principle of: A Static electricity B Chemical reaction C Magnetic effect of current D Electrolysis
21 The strength of an electromagnet can be increased by: A Reducing current B Increasing number of turns C Using plastic core D Reducing turns
22 Which magnet can be switched ON and OFF? A Bar magnet B Permanent magnet C Electromagnet D Natural magnet
23 Domain theory explains magnetism due to: A Electric charges B Alignment of domains C Gravity D Heat energy
24 In an unmagnetized material, magnetic domains are: A Randomly oriented B Fully aligned C Absent D Very large
25 Ferromagnetic materials are: A Strongly attracted by magnets B Weakly attracted C Weakly repelled D Not affected
27 Paramagnetic materials are: A Strongly repelled B Strongly attracted C Weakly attracted D Not affected
28 Diamagnetic materials are: A Strongly attracted B Weakly attracted C Weakly repelled D Strongly magnetized
31 The direction of Earth’s magnetic field is from: A Geographic North to South B Geographic South to North C East to West D West to East
32 A compass needle aligns itself along: A Electric field B Earth’s magnetic field C Gravitational field D Solar radiation
33 Which application uses magnetism in data storage? A LCD screen B Hard disk C Calculator D Solar panel
34 Magnetic shielding is used to: A Increase magnetic field B Reduce unwanted magnetic fields C Create electricity D Store data
39 Which branch deals with motion and forces? A Optics B Thermodynamics C Mechanics D Nuclear physics
40 Which sub-field of physics studies heat? A Electronics B Thermodynamics C Astrophysics D Geophysics
43 Which sub-field deals with electric charges? A Mechanics B Electromagnetism C Thermodynamics D Optics
44 Physics is a part of which group of sciences? A Life sciences B Social sciences C Physical sciences D Computer sciences
47 What is one major role of physicists? A Writing novels B Discovering natural laws C Teaching languages D Selling products
48 Physicists mainly try to understand ____. A Human behavior B Natural phenomena C Economic systems D Political systems
50 In science, researchers usually share their results through ____. A Stories B Poems C Publications D Songs
51 What is a hypothesis? A A proven fact B A tentative explanation C A scientific law D A final conclusion
54 What is a scientific theory? A A guess B An explanation supported by evidence C A rule without proof D A belief
55 A scientific law describes ____. A Why something happens B How something happens C Who discovered it D Where it is used
56 Which statement best defines a scientific law? A It explains observations B It predicts behavior under certain conditions C It is a personal idea D It cannot be tested
58 Falsifiability means a scientific statement must be ____. A Popular B Testable C Complex D Permanent
59 Which statement is falsifiable? A All natural events follow laws B This claim can be tested by experiment C Science is interesting D Nature is beautiful
60 Why is falsifiability important in science? A It makes science complex B It allows testing of ideas C It proves beliefs D It avoids experiments
62 Technology mainly focuses on ____. A Discovering laws B Applying scientific knowledge C Forming hypotheses D Testing theories
63 Engineering is mainly concerned with ____. A Understanding nature B Applying science to solve problems C Making theories D Studying matter only
64 Which one converts scientific ideas into practical devices? A Science B Technology C Philosophy D Literature
66 Which of the following best represents collaboration in science? A Working alone B Sharing data with others C Keeping results secret D Avoiding discussion
67 Scientific knowledge grows mainly through ____. A Arguments B Experiments and discussion C Opinions D Traditions
73 Physics laws are usually expressed in the form of ____. A Stories B Mathematical relations C Poems D Pictures
75 Which of the following best defines science? A Collection of beliefs B Systematic study of nature C Religious practice D Artistic expression
76 Which term describes repeated testing of ideas? A Observation B Experimentation C Imagination D Opinion
77 Which is NOT a characteristic of scientific method? A Testability B Repeatability C Blind belief D Observation
78 Scientific laws are valid as long as they are ____. A Popular B Not challenged C Supported by experiments D Old
80 Engineering differs from science because it focuses on ____. A Discovering facts B Applying knowledge C Forming laws D Making hypotheses
81 Which is an example of technology? A Newton’s laws B Mobile phone C Theory of motion D Scientific method
82 Which statement is true about science? A It never changes B It grows with new evidence C It is based on belief D It avoids testing
84 Physics helps us understand the universe by using ____. A Myths B Experiments and mathematics C Opinions D Traditions