1. How is the voice a waste product? 2. What are the conditions required to make a good voice? 3. Are great singers usually strong? Why? 4. How was the windpipe made into the voice box? 5. Describe the vocal bands or cords. 6. How do they act in making voice sounds? when we breathe? 7. How do catarrh and adenoids affect the voice? 8. How is the voice box like a violin? 9. What part of the violin has most to do with the quality of the sound? How does this apply to the human voice? 10. What do the throat, the mouth, and the nose have to do with voice training? 11. What is one of the commonest causes of a poor voice? 12. How can you prove this? 13. What are spoken words? 14. How is a good, clear, distinct voice of value? 15. How can you build up a strong, clear, useful voice? CHAPTER XXV 1. Give four reasons why the teeth are important. 2. To take proper care of the teeth, what other parts of the mouth need attention? 3. Draw a picture of a tooth and label the crown, the enamel, the root, the pulp. 4. Name the different teeth, making diagrams of the upper and lower jaws and tell how each kind of tooth is used. 5. Compare your own teeth with those of a dog, a sheep, and a squirrel and explain the difference in use. 6. In what order did your teeth appear in your mouth? 7. What are the milk-teeth? 8. How many teeth have you? Have any been pulled? 9. Will you have any more later? 10. Name three things to be remembered in exercising the teeth. 11. What is the best method to keep the teeth and gums clean? 12. Why are "gritty" tooth-powders bad for the teeth? 13. Are antiseptics good for them? 14. Why are dirty teeth a very common cause of disease in the body? 15. (Exercise) Write a letter to your teacher telling how you have been taking care of your teeth in the past, and how you purpose to do it in the future. CHAPTER XXVI