Vocabulary & Crossword Puzzle

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Across
  1. 3. Carbon Dioxide
  2. 4. a rough or unfinished drawing or painting, often made to assist in making a more finished picture.
  3. 5. refers to forces that oppose the relative motion of an object through the air.
  4. 6. a first, typical or preliminary model of something, especially a machine, from which other forms are developed or copied.
  5. 8. Im the study of the properties of moving air and the interaction between the air and solid bodies moving through it.
  6. 9. a repeated decorative design.
Down
  1. 1. a limiting rule or circumstance; a restriction.
  2. 2. the ability or willingness to tolerate something, in particular the existence of opinions or behavior that one does not necessarily agree with.
  3. 4. design or provide with a form that presents very little resistance to a flow of air or water, increasing speed and ease of movement.
  4. 7. a very small or concise description, representation, or summary.