Science Crossword

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Across
  1. 3. the SI unit of force. It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second, and is equivalent to 100,000 dunes.
  2. 6. shorter wavelengths than visible light
  3. 8. the degree or intensity of heat present in a substance or object
  4. 10. an obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination.
  5. 13. vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.
  6. 15. how astronomers explain the way the universe began.
  7. 17. the vector sum of forces acting on a particle or object.
  8. 21. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
  9. 22. being in a state of balance
  10. 24. activity involving mental or physical effort done in order to achieve a purpose or result.
  11. 27. an imaginary line about which a body rotates.
  12. 28. firm and stable in shape; not liquid or fluid.
  13. 32. a vehicle's capacity to gain speed within a short time.
  14. 34. the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour.
  15. 35. a coherent, typically large body of matter with no definite shape.
Down
  1. 1. a person who directs the performance of an orchestra or choir
  2. 2. energy which a body possesses by virtue of being in motion
  3. 4. the central and most important part of an object
  4. 5. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
  5. 7. strength or energy as an attribute of physical action or movement.
  6. 9. the speed of something in a given direction
  7. 11. the rate at which someone or something is able to move or operate
  8. 12. the ability to do something or act in a particular way, especially as a faculty or quality.
  9. 14. an electromotive force or potential difference expressed in volts.
  10. 16. Rays penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei.
  11. 18. the resistance that one surface or object encounters when moving over another.
  12. 19. the capacity for doing work
  13. 20. the quality or condition of being hard.
  14. 23. take in or soak up (energy or a liquid or other substance) by chemical or physical action.
  15. 25. the colorless fluid part of blood, lymph, or milk, in which corpuscles or fat globules are suspended.an electromotive force or potential difference expressed in volts.
  16. 26. a roughly circular line, route, or movement that starts and finishes at the same place.
  17. 29. a semiconductor device with two terminals, typically allowing the flow of current in one direction only.
  18. 30. the space occupied within the boundaries of an object in three-dimensional space
  19. 31. Number the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  20. 33. a distinctive smell, especially an unpleasant one.