Human Speech System Quiz You can do this quiz online or print it on paper. It tests what you learned on the Human Speech System page. 1. Which part of the human speech system causes air to vibrate? the lungs the voice box the vocal tract a) the lungs b) the voice box c) the vocal tract 2. Where does this air come from? the lungs the voice box the vocal tract a) the lungs b) the voice box c) the vocal tract 3. Vibrating air is shaped into speech sounds and words in the lungs the voice box the vocal tract a) the lungs b) the voice box c) the vocal tract 4. The vocal tract includes the cavities (or spaces) inside the lungs and the mouth the mouth and the nose the mouth, nose and lungs a) the lungs and the mouth b) the mouth and the nose c) the mouth, nose and lungs 5. Air that passes freely through these cavities without being blocked can form vowel sounds consonant sounds any speech sound a) vowel sounds b) consonant sounds c) any speech sound 6. Air can be blocked by touching together two or more of the lips, tongue, teeth, top of the mouth and the back of the nose hand throat a) nose b) hand c) throat 7. Which speech sounds are made by blocking air in this way? syllables vowels consonants a) syllables b) vowels c) consonants 8. A meaningless unit of pronunciation having one vowel sound with or without surrounding consonant sounds is a syllable a word a letter a) a syllable b) a word c) a letter 9. How many syllables are in the word "elephant"? two three four a) two b) three c) four 10. Which word contains one vowel sound and two consonant sounds? cat two any a) cat b) two c) any Your score is: Correct answers: Contributor: Matt Errey. Matt is the author of several books including 1000 Phrasal Verbs in Context and Common English Idioms for learners, and Matt's ESL Games and Quizzes for teachers.