1 What is one major role of physicists? A Writing novels B Discovering natural laws C Teaching languages D Selling products
2 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
5 Yusuf is studying the stroking method of inducing magnetism. He knows that stroking a steel bar with a magnet magnetizes it. What happens to the domains during stroking? A They become randomly oriented B They align in one direction C They are destroyed D They remain unchanged
6 Rachel is studying the magnetic field of a bar magnet. She knows that the magnetic field is a vector quantity. What does the direction of the magnetic field represent? A The direction of the force on a north pole B The direction of the force on a south pole C The direction of current D The direction of electron flow
7 Which magnet can be switched ON and OFF? A Bar magnet B Permanent magnet C Electromagnet D Natural magnet
8 Samir is learning about the nature of science. He understands that science is a process of inquiry. Which of the following is a characteristic of scientific inquiry? A It is based on absolute truth B It relies on evidence and is subject to revision C It is fixed and unchanging D It ignores peer review
9 Unlike magnetic poles will: A Repel each other B Have no effect C Attract each other D Destroy each other
10 Julia is studying acoustics. She learns that acoustics is the study of sound. Which of the following is an application of acoustics? A Music hall design B Radio transmission C X-ray imaging D Nuclear reactors
11 Which are the two ends of a magnet called? A Electric poles B Positive and negative ends C Magnetic poles D Charged ends
12 Khalid is studying temporary magnets. He knows that temporary magnets lose their magnetism when the external magnetic field is removed. Which of the following is an example of a temporary magnet? A Steel bar B Soft iron bar C Alnico magnet D Ferrite magnet
13 Oliver is studying the difference between magnetic and non-magnetic materials. He knows that magnetic materials contain unpaired electrons. What is the basis of magnetism in materials? A The presence of unpaired electrons B The presence of paired electrons C The atomic number D The density
14 Zayn is studying optics. He learns that optics deals with the behavior of light. Which of the following is a phenomenon explained by optics? A Diffraction B Magnetic resonance C Gravitational lensing D Photoelectric effect
15 Khalid is learning about the difference between theory and law. He understands that a theory is a well-substantiated explanation. Which of the following is an example of a theory? A Law of universal gravitation B Theory of evolution C Ohm's law D Coulomb's law
18 Which of the following is a use of permanent magnets? A Electric bell B Transformer C Loudspeaker D Electromagnetic crane
19 Julia is studying temporary magnets. She knows that temporary magnets are used in relays. What is the function of a relay? A To amplify signals B To switch electrical circuits using a small current C To generate electricity D To store data
20 Which is an example of technology? A Newton’s laws B Mobile phone C Theory of motion D Scientific method
21 Engineering is mainly concerned with ____. A Understanding nature B Applying science to solve problems C Making theories D Studying matter only
23 Waseem is studying the force between magnetic poles. He knows that like poles repel and unlike poles attract. What happens when the north pole of one magnet is brought near the south pole of another? A They repel B They attract C They cancel each other D They have no effect
25 Bilal is studying the domain theory of magnetism. He learns that each domain behaves like a tiny magnet. In an unmagnetized piece of iron, the domains are arranged randomly. What happens to the domains when the iron is magnetized? A They become randomly oriented B They align in the same direction C They disappear D They split into smaller domains