[Music] do you ever find complicated words while you're reading I know I do I'm Mrs morat today we'll learn to use word Parts like prefixes and suffixes to read and understand unknown words recently I've been reading about different energy sources and I've come across some difficult words here's a word first let's Circle the prefixes a prefix is a word part added to the beginning of a word to change its meaning do you see a prefix it's r e re now let's Circle the suffixes a suffix is a word part added to the end of a word to change its meaning do you see a suffix here's the suffix a b l e it looks like the word able but we pronounce the a with the schw sound because that syllable is unstressed uh a next let's mark the vowels in the root or base word vowels help us break words into syllables each syllable can have only one vowel sound which vowels do you see we see the letters e w which often work as a team to make the vowel sound ooh since there is one vowel sound we expect to find one syllable in this middle part let's say the word parts [Music] reew now let's say the whole word renewable is that a real word it is since this is a real word we're finished we can add prefixes and suffixes to base words like new to make related words let's add the prefix re e to the base word new read with me re new renew renew is a verb or an action word that sometimes means to make something like new again now let's add the a b e suffix to the word renew read with me renewable renewable renewable is usually an adjective that describes something that is able to be easily replaced or made New Again finally let's add the pre fix non to renewable read with me nonrenewable nonrenewable nonrenewable is an adjective that describes something that is not able to be easily replaced or made New Again renewable energy sources cannot be used up or can be easily replaced wind and solar energy are renewable coal and natural gas are nonrenewable if you speak Spanish the word renov can help you understand this word great work today the next time you learn a new word remember how we used the word renew to build and understand the words renewable and nonrenewable work on your vocabulary by finding and building related words keep reading and try this strategy the next time you find a challenging word [Music]