1 Paula is studying astronomy. She learns that astronomy is one of the oldest sciences. Which of the following is a tool used in modern astronomy? A Telescope B Microscope C Thermometer D Barometer
2 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
3 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
4 Ibrahim is learning about relativistic mechanics. He understands that relativistic mechanics is essential for high-speed physics. Which of the following is an effect predicted by relativistic mechanics? A Time dilation B Length contraction C Mass-energy equivalence D All of the above
5 Khalid is studying the uses of permanent magnets. He knows that permanent magnets are used in speakers and headphones. What is the role of the magnet in a speaker? A To convert electrical energy into sound B To convert sound into electrical energy C To amplify sound D To store sound
6 Engineering differs from science because it focuses on ____. A Discovering facts B Applying knowledge C Forming laws D Making hypotheses
7 Ahmed is studying magnetism and learns that a magnet has two poles. He brings the north pole of one magnet near the north pole of another magnet. What happens to the two magnets? A They attract each other B They repel each other C They have no effect on each other D They become demagnetized
8 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
9 Which of the following best defines science? A Collection of beliefs B Systematic study of nature C Religious practice D Artistic expression
10 Physics laws are usually expressed in the form of ____. A Stories B Mathematical relations C Poems D Pictures
12 Lara is studying permanent magnets. She knows that permanent magnets retain their magnetism for a long time. Which of the following is an example of a permanent magnet? A Soft iron B Steel C Copper D Aluminum
13 Uma is studying biomagnetism. She knows that some organisms detect the Earth's magnetic field for navigation. Which of the following organisms is known to use biomagnetism for navigation? A Elephant B Pigeon C Eagle D Dolphin
14 Rania is studying cosmology. She learns that cosmology deals with large-scale structure. Which of the following is a concept in cosmology? A Big Bang theory B Quantum entanglement C Thermodynamic equilibrium D Magnetic resonance
16 Uma is studying the solenoid method of inducing magnetism. She knows that a solenoid is used in electric bells. What is the role of the electromagnet in an electric bell? A To strike the bell B To produce sound C To generate electricity D To store energy
17 Xia is studying cosmology. She learns that cosmology studies the universe as a whole. Which of the following is a key question in cosmology? A What is the age of the universe? B How do stars form? C What is the structure of atoms? D What are the properties of light?
18 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
19 Quinn is studying ferromagnetic materials. He knows that ferromagnetic materials are strongly attracted to magnets. Which of the following is a ferromagnetic material? A Copper B Iron C Zinc D Lead
20 Omar is learning about the fields of physics. He understands that biophysics is an interdisciplinary field. Which of the following combines biology and physics? A Biophysics B Astrophysics C Geophysics D Thermal physics
21 Which term describes repeated testing of ideas? A Observation B Experimentation C Imagination D Opinion
24 Fatima is studying magnetic shielding. She knows that magnetic shielding is used to protect sensitive instruments from magnetic fields. What material is commonly used for magnetic shielding? A Aluminum B Soft iron C Copper D Plastic
25 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
26 Which of the following best represents collaboration in science? A Working alone B Sharing data with others C Keeping results secret D Avoiding discussion
27 What is one major role of physicists? A Writing novels B Discovering natural laws C Teaching languages D Selling products
28 Usman is learning about particle physics. He understands that particle physics is important for understanding the universe. Which of the following is a particle accelerator used in particle physics? A LHC B Microscope C Telescope D Spectrometer
29 Mohamed is learning about climate physics. He understands that climate physics studies the physical processes that affect climate. Which of the following is a factor studied in climate physics? A Ocean currents B Volcanic eruptions C Solar radiation D All of the above
30 The closeness of magnetic field lines indicates: A Direction of field B Strength of field C Type of magnet D Mass of magnet