In this Grade 4 vocabulary lesson from Vocabulary from Classical Roots Book 6, students learn ten words built from the Latin root audi and the Greek root phon, both meaning "hear" or "sound," including terms such as audible, inaudible, auditorium, phonics, and stereophonic. Exercises guide students to use root clues, identify synonyms, and apply words in context to deepen understanding of how these roots shape meaning. The lesson also introduces the suffix -orium/-arium to help students recognize place-related words like aquarium, terrarium, and planetarium.
Section 1
The "audi" Root: To Hear
Let's tune in to words related to hearing, all stemming from the Latin root 'audi'!
| Word | Definition |
|---|---|
| audible | (adj.) able to be heard |
| audience | (n.) a group of people who watch and listen |
| audition | (n., v.) a tryout for a performance; to try out |
| auditorium | (n.) a large hall for performances |
| inaudible | (adj.) not able to be heard |
Section 2
The "phon" Root: Sound
Now, let's amplify our vocabulary with words that make some noise, all connected to the Greek root 'phon' for sound.
| Word | Definition |
|---|---|
| megaphone | (n.) a cone-shaped device that makes your voice louder |
| phonics | (n.) the study of letter sounds |
| saxophone | (n.) a musical instrument with a curved shape and keys |
| stereophonic | (adj.) using sound from multiple sources |
| symphony | (n.) a long musical piece played by an orchestra |
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Section 1
The "audi" Root: To Hear
Let's tune in to words related to hearing, all stemming from the Latin root 'audi'!
| Word | Definition |
|---|---|
| audible | (adj.) able to be heard |
| audience | (n.) a group of people who watch and listen |
| audition | (n., v.) a tryout for a performance; to try out |
| auditorium | (n.) a large hall for performances |
| inaudible | (adj.) not able to be heard |
Section 2
The "phon" Root: Sound
Now, let's amplify our vocabulary with words that make some noise, all connected to the Greek root 'phon' for sound.
| Word | Definition |
|---|---|
| megaphone | (n.) a cone-shaped device that makes your voice louder |
| phonics | (n.) the study of letter sounds |
| saxophone | (n.) a musical instrument with a curved shape and keys |
| stereophonic | (adj.) using sound from multiple sources |
| symphony | (n.) a long musical piece played by an orchestra |
Book overview
Jump across lessons in the current chapter without opening the full course modal.
Continue this chapter