Lesson 2 – homework key


Ex.8

a]
 1. chemistry
 2. chemist, chemistry
 3. chemical
 4. chemist
 5. chemical
 6. chemistry

b]
 1. liquid to gas               to evaporate                evaporation
 2. gas to liquid               to condense                condensation
 3. solid to liquid             to melt                        melting / liquefaction
 4. liquid to solid             to solidify                   solidification
 5. solid to gas                 to sublimate                sublimation
 6. gas to solid                 to desublimate                        desublimation