Physical Science Unit 1 Crossword

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Across
  1. 2. Inertia in motion, given by the product of the mass of an object and its velocity.
  2. 3. A synthesis of a large body of information that encompasses well-tested and verified hypotheses about certain aspects of the natural world.
  3. 4. The quantity of space an object occupies.
  4. 5. Simply stated, a push or a pull.
  5. 7. A phenomenon about which competent observers who have made a series of observations are in agreement.
  6. 10. A general hypothesis or statement about the relation-ship of natural quantities that has been tested over and over again and has not been contradicted; also known as a principle.
  7. 12. The property by which objects resist changes in motion.
  8. 13. A projectile or small celestial body that orbits a larger celestial body.
  9. 16. The rate at which velocity changes with time.
  10. 17. Any object that moves through the air or through space under the influence of gravity.
  11. 19. The force upon an object due to gravity.
  12. 23. The energy that matter possesses due to its position.
  13. 25. Fake science that pretends to be real science.
  14. 26. Principles and procedures for the systematic pursuit of knowledge involving the recognition and formulation of a problem, the collection of data through observation and experiment, and the formulation and testing of hypotheses
  15. 29. The speed of an object and specification of its direction of motion.
  16. 30. The percentage of the work put into a machine that is converted into useful work output.
Down
  1. 1. Energy of motion.
  2. 6. The speed that a projectile, space probe, or similar object must reach to escape the gravitational influence of Earth or of another celestial body to which it is attracted.
  3. 8. Terminal speed in a given direction (often downward).
  4. 9. The property of a system that enables it to do work.
  5. 11. Mutual action between objects during which each object exerts an equal and opposite force on the other.
  6. 14. An arrow that represents the magnitude and direction of a quantity.
  7. 15. The product of the force and the distance moved by the force.
  8. 18. The oval path followed by a satellite.
  9. 20. An educated guess; a reasonable explanation of an observation or experimental result that is not fully accepted as factual until tested over and over again by experiment.
  10. 21. The type of collision in which colliding objects rebound without lasting deformation or the generation of heat.
  11. 22. The type of collision in which the colliding objects become distorted, generate heat, and may even stick together
  12. 24. The action force and the reaction force that occur in an interaction.
  13. 27. The resistive force that opposes the motion or attempted motion of an object past another object with which it is in contact, or through a fluid.
  14. 28. The quantity of matter in an object.