STEM III

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Across
  1. 4. Ratio of the circumference of a circle to its diameter
  2. 6. triangle that has different length for each sides
  3. 8. A machine with a rotating wheel and axle used to transmit power
  4. 12. smallest unit of data in computer
  5. 13. type of simple machine in seesaw
  6. 14. study of how living system organisms interact with their environment
Down
  1. 1. the process by which organisms produce offspring
  2. 2. The study of the properties and behavior of light
  3. 3. SI unit for length
  4. 5. Branch of mathematics concerned with shapes and their properties
  5. 7. The force that opposes motion between two surfaces in contact
  6. 9. Material that does not allow the flow of electricity
  7. 10. the ability of a material to return to its original shape after being stretched
  8. 11. smallest units of life
  9. 12. Force exerted by a moving fluid on an object