Prefixes are placed at the beginning of a base word in order to change the meaning. For an example:
happy is a base word that means to feel or show pleasure, but if the prefix (un) is added to the
base word happy, the new word will be unhappy. Unhappy means not to feel or show pleasure,
because the prefix un means not.
Write 5 words using the prefix (un) to any base word:
1.
2.
3
4
5.
The word relevant means important, irrelevant means not important.
Write 4 words using the prefix (ir) to any base word:
1.
2.
3.
The word logical means clearlstraight thinking . illogical means not clear or straight thinking.
Write 3 words using the prefix (1) to any base word:
1.
2
3.
The word patient means calm without force or violence, impatient means not patient.
Write 2 words using the prefox (im) to any base word:
1.
2
The word tolerable means endurable or bearable, intolerable means not bearable.
Write 1 word using the prefox (in) to any base word:
1.

Read this passage: many manufacturers prefer plastic as a material for containers because it can be molded into many shapes. but plastic is not very strong. it must be fused with glass or steel for strength. it is also not very durable. even the strongest plastic can break under enough pressure. the biggest disadvantage to using plastic is that it does not decompose. while plastic can be recycled, doing so is tedious and difficult. while it may be more expensive and difficult to work with, aluminum is a much stronger building material with far greater tensile strength. it conducts electricity because it is metal. best of all, aluminum is very easy to recycle. even if it is thrown away, it decomposes much more quickly than most manufacturing materials. how does the compare-and-contrast organizational pattern of the passage support the author's purpose? a. the passage gradually leads up to the point about decomposition to inform the reader about the importance of recycling plastics. b. the passage lists the advantages and disadvantages of each material to make a case for the use of plastic and not aluminum in containers. c. the passage begins with a description of plastic's problems in order to call attention to the good qualities of aluminum. d. the passage shows the superiority of aluminum in order to make a case for the production of stronger plastics.