| Term | Definition |
| a la corta o a la larga | sooner or later |
| agrícola | agricultural |
| átomo | atom |
| bomba atómica | atomic bomb |
| campo de la medicina | medical field |
| césped | lawn |
| cortar el césped | to mow the lawn |
| científica | scientist |
| conservar | to preserve |
| Cosecha | harvest crop |
| curar | to cure |
| de hecho | as a matter of fact |
| desastre | disaster |
| dificultad | difficulty |
| duradero | lasting |
| energía nuclear | nuclear energy |
| fabricar | to manufacture |
| fabricar | to construct |
| fuente | source |
| gozar de | to enjoy |
| guerra | war |
| industria | industry |
| labor | labor work |
| labores domésticas | household chores |
| librar | to free |
| librarse | to free oneself |
| libreta | notebook |
| ¿me podrías dar | could you give me? |
| ¿me podrías decir | could you tell me? |
| ¿me podrías prestar | could you lend me? |
| medicina | medicine |
| medio ambiente | environment |
| milla | mile |
| mission especial | space mission |
| operación | operation surgery |
| peligro | danger |
| peligroso | dangerous |
| planta nuclear | nuclear plant |
| ¿podrías hacerme el favor de | could you do me a favor and? |
| por consiguiente | consequently thus |
| por lo tanto | as a result therefore |
| precipitación radioactiva | radioactive fallout |
| producir | to produce |
| progresar | to progress advance |
| prueba | test |
| ¿querrías decirme | would you tell me? |
| ¿querrías darme | would you give me? |
| ¿querrías prestarme | would you lend me? |
| radiación | radiation |
| radioactive | radioactive |
| rayo laser | laser beam |
| reactor nuclear | nuclear reactor |
| residuos radioactivos | radioactive waste |
| resistente | resistant |
| revolución agrícola | agricultural revolution |
| ¿serías tan amable de | would you be nice enough to? |
| submarino | underwater |
| suministro | supply |
| ¿tendrías la bondad de | would you be so kind as to? |
| trasplante de órgano | organ transplant |
| ventaja | advantage |
| viajar | to travel |