For example, a cryptic crossword on the back page of the Daily Telegraph on 14 March 2012 included the answer. , whose clue was Close study of broken nails, say (8): say in cryptic crossword clues normally means a word pronounced the same as or for example, but here it is part of an anagram.ost cryptic crosswords provide the number of letters in the answer, or in the case of phrases, a series of numbers to denote the letters in each word: cryptic crossword would be clued with (7,9) following the clue. More advanced puzzles may drop this portion of the clue.
In this chemistry lab, students will conduct a controlled experiment resulting in the growth of salt crystals. They will use their skills of observation to document what goes into the experiment and what comes out, and what they have learned of physical and chemical changes to explain the results.
â¢ A physical change merely changes the shape and size of the substance while a chemical change produces altogether new substance. â¢ Physical change is reversible while chemical change is irreversible. â¢ In general, physical changes are fast whereas chemical changes are slow. â¢ In a physical change only the state of matter changes while it still has the same properties. On the other hand, in a chemical change (it takes place at a molecular level) and the new substance formed has altogether different properties.