Across
- 4. A body projected or impelled forward, as through the air
- 8. The mutual force of attraction between any two objects in the Universe (2w)
- 10. The least number of independent coordinates required to specify uniquely the points in a space
- 11. The height of a place above the level of the sea
- 14. An invisible force caused by an electric charge that acts through space (2w)
- 15. A patricle with the same mass as the given one, but with the opposite charge
- 18. The smallest discrete unit of a phenomenon
- 19. A decrease in rate of change
- 20. A force that causes something to rotate
- 22. The rate at which energy flows through the surface, divided by the surface area
- 23. The phenomenon in which two or more waves superpose to form a resultant wave of greater, lower or the same amplitude
- 26. An electrically neutral, highly ionized phase of matter composed of ions, electrons, and neutral particles which is distinct from solids, liquids, and gases.
- 27. A vector, showing both magnitude and direction of a speed at which an object is travelling
- 29. The exertion of force by one body on the surface of another
- 30. The dependence of the index of refraction on wavelength
- 32. A measure of the opposition to current flow in an electrical circuit
- 35. The rate of energy transfer with time
- 36. The amount of space that is contained within an object or solid shape
- 38. A device consisting of a weight on a stick or thread that moves from one side to the other
- 39. The product of the momentum of a rotating body and its distance from the axis of rotation (2w)
- 44. The force that makes it difficult for one object to slide along the surface of another or to move
- 47. A resonating system of charged oscillators
- 50. An aspect of quantum mechanics that states that it is physically impossible to measure simultaneously the exact position and exact linear momentum of a particle (2w)
- 52. A line on which all points are at the same potential (2w)
- 53. A phenomenon in which two bodies moving relative to each other experience different rates of time flow
- 55. A phenomenon of restricting the vibration of light's electric field in a particular direction (plane)
- 57. A comparison of two numbers calculated by dividing
- 58. A curved path that an object follows during its motion
- 59. The backward movement of a gun when fired
- 60. A phenomenon when a mechanical or acoustical system is acted upon by an external periodic driving force whose frequency equals a natural free oscillation frequency of the system, the amplitude of oscillation becomes large and the system is said to be in a state of resonance
- 61. The amount or number of something
Down
- 1. The result you get when two or more numbers are multiplied together
- 2. The ratio of the length of the side opposite an angle less than 90° divided by the length of the shorter of the two sides that are next to the angle
- 3. Longitudinal waves with frequencies above the audible range for humans
- 5. The study of high velocities, those close to the speed of light based on two fundamental principles; the constancy of the speed of light and the universality of the laws of physics, which lead to the ideas of spacetime and 4-vectors (2w)
- 6. Hard or firm, keeping a clear shape object
- 7. The condition under which two substances in physical contact with each other exchange no heat energy (2w)
- 9. To cover part of the same space
- 12. The changing of an object's velocity with time
- 13. To put two or more numbers or amounts together to get a total
- 16. The energy of a body or system as a result of its position in an electric, magnetic, or gravitational field
- 17. In the long direction of the body or of any body part
- 21. The ratio of the length of the side opposite an angle less than 90° divided by the length of the hypotenuse
- 24. A device used for measuring temperature
- 25. Large groups of atoms in ferromagnetics with spins that are aligned
- 28. The electromagnetic ______ is a range of frequencies, wavelengths and photon energies
- 30. An electronic device that conducts electricity only in one direction
- 31. Capable of existing or living together in harmony
- 33. The tendency of an object to continue moving in its original state of motion
- 34. A violent burst, often with a loud noise
- 37. The relationship between the mass of a substance and its size
- 40. A hypothetical elementary particle that is an isolated magnet with only one magnetic pole (2w)
- 41. An assumption that is made based on some evidence, the initial point of any investigation that translates the research questions into predictions
- 42. A type of an image produced by an optical object for which the light doesn't pass through the image point of the object, but appears to come (diverge) from there (2w)
- 43. The act of considering one thing to be the same as or equal to another
- 45. Electronic devices that store electrical energy
- 46. A phenomenon of light bending around the edges of objects on the way of its propagation
- 47. A simple phenomenon of the light bouncing back after falling on an object
- 48. A type of lens that converges the beams of light from a source (2w)
- 49. A vector and the magnitude of a vector from the initial position to a subsequent position assumed by a body
- 51. A device sent up into space to travel around the earth or a natural object moving around a larger object in space
- 54. In this device particles with equal masses and kinetic energies, traveling in opposite directions in an accelerator ring, collide head-on to produce the required reaction and the formation of new particles
- 55. The sending out or spreading of light or sound waves, movement, etc.
- 56. The force with which one thing hits another or with which two things hit each other