Inventions

1. A glass or transparent container, usually rounded, with something inside that produces light when an electric current passes through it.
3. An explosive mixture of substances in the form of a powder, used for making explosive devices and fireworks.
6. A computer that is small enough to be carried around easily and is flat when closed
9. A road vehicle with an engine electric, four wheels, and seats for a small number
12. A type of camera that records images that can be looked at on a computer
15. A stick-shaped piece of wax with a wick (= piece of string) in the middle of it that produces light as it slowly burns.
16. A system of computers and satellites, used in vehicles and other places to tell you where something is, where you are, or how to get to a place
18. Shows, movies, television, or other performances or activities that entertain people, or a performance of this type.
19. A cell phone that can be used as a small computer and that connects to the internet.
20. A magnet that generates electromagnetic fields from an electric current.

2. A machine that produces electrical power.
4. A machine that is connected to a computer and prints onto paper using ink:
5. A substance that is put into the body of a person or animal to protect them from a disease by causing them to produce antibodies.
7. A piece of kitchen equipment that uses electricity to preserve food at a cold temperature
8. An aircraft that does not have a pilot but is controlled by someone on the ground, used especially for dropping bombs, or for surveillance
10. A device for finding direction with a needle that can move easily and that always points to magnetic north.
11. A small, solid piece of medicine.
13. A circular object connected at the center to a bar, used for making vehicles or parts of machines move.
14. External combustion engine that transforms the thermal energy of a quantity of water into mechanical energy.
17. A metal aerial that sends or receives a radio or television signal.