1. Qasim is learning about astrophysics. He understands that astrophysics explains the physical properties of celestial bodies. Which of the following is a topic in astrophysics?
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2. Which of the following is an application of physics?
3. David is studying the direction of the magnetic field at a point. He knows that the direction of the magnetic field is the direction a north pole would move. Outside a bar magnet, what is the direction of the magnetic field lines?
4. Magnetic field lines always emerge from:
5. Mohamed is learning about science, technology, and engineering. He understands that technology is the application of scientific knowledge. Which of the following is an example of technology?
6. 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?
7. Chloe is learning about astronomy. She understands that astronomy is the study of celestial objects and phenomena. Which of the following is a focus of astronomy?
8. Engineering is mainly concerned with ____.
9. Nora is studying ferromagnetic materials. She knows that ferromagnetic materials have domains that align in a magnetic field. What happens to the domains when the external magnetic field is removed?
10. Ibrahim is studying the heating method of inducing magnetism. He knows that heating a magnet above a certain temperature can demagnetize it. What is this temperature called?
11. Which term refers to careful study of nature?
12. Which of the following is diamagnetic?
13. Oliver is studying types of magnetic materials. He learns that some materials are repelled by a magnet. What are these materials called?
14. Which comes first in scientific study?
15. Xia is studying computational physics. She learns that computational physics is a modern field. Which of the following is a use of computational physics?
16. Tina is studying optics. She learns that optics is used in many technologies. Which of the following is a technology based on optics?
17. Quinn is studying biomagnetism. He knows that some animals use the Earth's magnetic field for navigation. Which of the following animals is known to use magnetic field for migration?
18. Zara is studying temporary magnets. She knows that temporary magnets are used in electric motors. What is the advantage of using temporary magnets in motors?
19. Which material is suitable for making electromagnets?
20. Ethan is learning about geophysics. He understands that geophysics studies the Earth's interior. Which of the following is a method used in geophysics?
21. Which statement best defines a scientific law?
22. Ferromagnetic materials are:
23. Diamagnetic materials are:
24. Iron filings are used to:
25. Aisha is learning about particle physics. She understands that particle physics studies the fundamental constituents of matter. Which of the following is a particle studied in particle physics?
26. Paula is studying relativistic mechanics. She learns that relativistic mechanics deals with objects moving at speeds close to the speed of light. Who proposed the theory of relativity?
27. Who studies physics professionally?
28. 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?
29. Victor is studying the magnetic field of a bar magnet. He uses a compass to trace the magnetic field lines. What is the shape of the magnetic field lines of a bar magnet?
30. The region around a magnet where magnetic force is felt is called: