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# 5.19: Strong and Weak Vowel Sounds

Difficulty Level: At Grade Created by: CK-12

## Strong and Weak Vowel Sounds

1. When a word has more than one vowel sound, usually we do not pronounce all the vowels with the same loudness. The loudness that a vowel sound has in a word is called its stress.

Some vowel sounds we pronounce very softly. When we do, those vowels have weak stress.

Some vowel sounds we pronounce more loudly. Those vowels have strong stress. When we want to show that a vowel sound has strong stress, we put this mark over it like this: á.

For instance, to show that the strong stress in the word famous is on the first vowel sound, we would mark it this way: fámous.

2. In the four words below the strong stress is on the first vowel sound, and the weak stress is on the second vowel sound. Mark the strong stress in each word:

\begin{align*}& \text{effort} && \text{passage} && \text{finish} && \text{circle}\end{align*}

3. In the four words below the strong stress is on the second vowel sound, and the weak stress is on the first vowel sound. Mark the strong stress in each word:

\begin{align*}& \text{succeed} && \text{among} && \text{confront} && \text{ahead}\end{align*}

4. Mark the strong stress in these words:

\begin{align*}& \text{human} && \text{decide} && \text{mountain} && \text{pleasant} \\ & \text{valley} && \text{active} && \text{method} && \text{sentence} \\ & \text{fifty} && \text{settle} && \text{against} && \text{dollar}\end{align*}

5. Combine each free stem and suffix. Some combine by simple addition, some with final \begin{align*}‘\text{e}’\end{align*} deletion, some with twinning. Be sure to show any changes that occur. Then mark the strong stress in the longer word you make:

Free Stem + Suffix = Word
search + es = séarches
valley + s =
tiny + est =
fail + ing =
gyp + ed =
exercise + er =
trust + ed =
knock + ing =
up + er =
succeed + s =
dye + ed =
sense + s =
problem + s =
effort + s =
attack + ing =
roast + ed =

word Pyramid. All of the words in this Pyramid must contain the letter \begin{align*}<\text{a}>\end{align*}.

If you rearrange the letters in search, you can spell three other six-letter words. How many can you figure out?

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