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3. Your house will be more energy-efficient if you insulate your doors
and windows.
a. replace wood b. carefully clean c. seal cracks to
with steel and paint prevent drafts
4. When you buy in bulk, you reduce waste and save money.
a. very bulky b. large amounts c. multiple small
items of something packages
THE PREFIXES non- AND un-
The prefixes non- and un- both mean “not.” How do you know which one to use?
Often, your ear will tell you. For example, which word sounds right—unviolent or
nonviolent? (Nonviolent is the correct word.) If you’re still not sure after saying the
words aloud, check a dictionary.
1. a _____fatal heart attack 4. a _____fiction book
2. _____cooked foods 5. an _____confirmed appointment
3. feeling _____welcome 6. a _____resident
SYNONYMS
Unscramble the words from the reading. Then draw a line to match each word with
its synonym (word with similar meaning).
1. SCOSK _______________________________ a. cereal
2. PEELS _______________________________ b. slumber
3. INRAG _______________________________ c. safeguard
4. TORPTEC ____________________________ d. hosiery
5. ECRUDE _____________________________ e. lessen
6. MODERNMEDEC ____________________ f. suggested