ROUND 1

4. Process of joining two pieces of metal with heat
8. Detailed technical drawing for construction or design
9. Electrical potential difference, measured in volts
10. Liquid often used as fuel
12. Material that resists the flow of electric current, used to protect or isolate electrical components
14. Rotating part with teeth, used to transfer motion
15. Smallest unit of a chemical element

1. Simple machine with a wheel and a rope, used to lift or lower heavy objects with reduced effort
2. Energy generated from moving water
3. Material often used in construction
4. Structure that converts energy from wind
5. Device that stores and provides electrical energy
6. Machine that lifts and moves heavy objects
7. Study of building machines and structures
11. A closed loop that allows electricity to flow
13. Simple machine used to lift or move loads with less effort