Unit 5.1 Vocabulary Flashcards
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| 7559681341 | computer network | a set of computers that are connected to each other so that they can share information |  | 0 |
| 7559683643 | electricity | the power that is carried by wires and used to make lights and machines work |  | 1 |
| 7559687486 | commercial aeroplane | a flying vehicle used to transport paying passengers |  | 2 |
| 7559690419 | solar power | energy that uses the power of the sun to produce electricity |  | 3 |
| 7559693063 | nuclear power | energy that is produced when the structure of the central part of an atom is changed |  | 4 |
| 7559697059 | energy | power from oil, coal, sun, wind, etc. that produces heat, movement, etc. |  | 5 |
| 7559699491 | genetic engineering | the science of changing the genes of a living thing |  | 6 |
| 7559702334 | medicine | a substance for treating an illness, especially one that you drink |  | 7 |
| 7559706358 | vaccination | an injection to protect a person from a disease |  | 8 |
| 7559708991 | communication satellite | a machine that has been sent into space and goes around the Earth used for radio, television, and other electronic communication |  | 9 |
| 7559711202 | IT (information technology) | the study or use of electronic processes and equipment for storing information and making it available |  | 10 |
| 7559714378 | washing machine | a machine that washes clothes |  | 11 |
| 7559717132 | vacuum cleaner | a machine that cleans floors by sucking up the dirt from them |  | 12 |