ROUND 1

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Across
  1. 4. Process of joining two pieces of metal with heat
  2. 8. Detailed technical drawing for construction or design
  3. 9. Electrical potential difference, measured in volts
  4. 10. Liquid often used as fuel
  5. 12. Material that resists the flow of electric current, used to protect or isolate electrical components
  6. 14. Rotating part with teeth, used to transfer motion
  7. 15. Smallest unit of a chemical element
Down
  1. 1. Simple machine with a wheel and a rope, used to lift or lower heavy objects with reduced effort
  2. 2. Energy generated from moving water
  3. 3. Material often used in construction
  4. 4. Structure that converts energy from wind
  5. 5. Device that stores and provides electrical energy
  6. 6. Machine that lifts and moves heavy objects
  7. 7. Study of building machines and structures
  8. 11. A closed loop that allows electricity to flow
  9. 13. Simple machine used to lift or move loads with less effort