Crossword puzzle in Physical Science

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Across
  1. 2. ________ Hertz generated and produced radio waves thereby proving the theory of maxwell
  2. 3. _______ It is said that when massive objest accelerates, it will create gravitational wave.
  3. 6. ____ dilation is the apparent difference in the time interval between two events asmeasured by two clocks.
  4. 12. _______ Galilei studied, observed, and experimented with inclined planes and introduced the law of falling objects
  5. 13. ____________ The change in velocity of moving object
  6. 14. For centuries, scientists thought that speed has no limit Cosmic _____ Limit
  7. 15. One of Albert Einstein’s most famous equation,the Mass-energy ___________
  8. 16. ______ Described the motion of planets around the sun
  9. 17. ________ Speed of moving object with direction
  10. 18. Gravitational bending of _____ An example of which is the light emitted by a star and the sun that is so massive causingthe light to bend slightly
  11. 19. ______ Contraction is the phenomenonin which an observer at rest would observe a moving object’s length to be shorter than its proper length
Down
  1. 1. Shifting of mercury's _____ Mercury revolves around the sun in an elliptical manner
  2. 4. __________ of Simultaneity is a concept in Special Relativity Theory which says thatif two events are separated in space or position, it is absolutely impossible for the two eventsto occur simultaneouslyfor two observers
  3. 5. _____ A three-dimensional extent in which objects and events have relative position and direction.
  4. 7. James Clerk _______ predicted the theory of electromagnetism and established that lights are also electromagnetic waves
  5. 8. ________ Completed his theory of relativity and stated the law of mass-energy conservation
  6. 9. _____hole also has a boundary called event horizonwherein events inside the boundaryhas no effect outside
  7. 10. Gravitational ________ It was mentioned earlier that time slows downas an object moves towards the area of a massiveobject with high gravitational field like black hole
  8. 11. __________ A part of wave which is described as the distance two adjacent points
  9. 20. Isaac ______ introduced the universal law of gravitation uniting terrestrial and celestial theories of motion.