My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crucigrama Sopa de Letras Hoja de Trabajo
Calificar este Puzzle:
Log in or sign up to rate this puzzle.

C1 Crossword Part 1

Horizontales
This is formed when sulphur dioxide and nitrogen oxides react in the atmosphere.
The change of state from a liquid to a gas.
A method of separating mixture of 2 or more substances with different boiling .
The amount of energy needed to either break or make a bond.
A long term change in the climate of the Earth.
A device that produces electricity by oxidation of a fuel .
A device fitted to a vehicle exhaust that changes the waste gases into less harmful ones.
The state of having reliable access to a sufficient quality of affordable, nutritious food.
The minimum amount of energy needed for a reaction to take place.
The change of state from gas to liquid.
Verticales
The process of adding air.
The links and relations between 2 or more ideas.
A toxic, colourless, odourless and tasteless gas created through incomplete combustion.
Carbon compound burn in a plentiful supply of oxygen to form carbon dioxide and water.
The removal of salt from sea water.
A process that absorbs heat and cools the surroundings.
The process of adding chlorine to water in order to kill any microorganisms that are present.
The process of separating a solid from a liquid.
A process that releases heat and warms the surroundings.