Physical science - Lesson 10

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Across
  1. 4. - Has to main postulates
  2. 5. - The distance light can travel in a unit of time through a given substance
  3. 7. - The lenght contraction happens only in the direction of relative motion
  4. 10. - Nonrotating , Nonaccelerating
  5. 11. - The mass ,m being reffered to by the equation
  6. 15. - moving object appera to be more massive
  7. 16. - Not absolute property between events
  8. 17. - the branch of science concerned with the nature and properties of matter and energy.
  9. 18. - One in which an isolated object appears to be accelerating
  10. 19. - _________equivalence states that mass is concentrated energy
Down
  1. 1. - along a timelike world line is defined as the time as measured by a clock following that line
  2. 2. - is a natural phenomenon by which all things with mass are brought toward
  3. 3. entities - Like stars and galaxies are able to warp space
  4. 6. - The point closest to the sun
  5. 8. - Time for moving objects appear to slow down
  6. 9. - Special theory of relativity
  7. 12. - An important aspect of the general theory is the principle of ________.
  8. 13. - Nothing can travel faster than 300,000 kilometers per second (186,000 miles per second).
  9. 14. - a region of space having a gravitational field so intense that no matter or radiation can escape.
  10. 20. - Measure the earths motion through ?