Across
- 6. A light source, typically made of glass
- 9. A device used for measuring the position and angle of some other gadget
- 10. The chemical element used in nuclear power plants
- 11. The most known invention of Wright brothers
Down
- 1. A discovery that Nikola Tesla and Thomas Edison changed the world with
- 2. An alloy of iron and carbon
- 3. Complex organic cover that is used to make frying pans
- 4. One of the most important inventions that powered the Internet as we know it now
- 5. It was used by Watt Power Machines
- 7. one of the most important ancient inventions that allowed to make the first types of transport
- 8. A type of oven that uses electricity to heat food