Which part of your body hears sounds?, What does a sound do to the particles in the air? , Can sounds happen by themselves? Explain, Using the book's definition of "energy", what are some other kinds of energy?, What are the two main parts of a sound wave?, Can you name anything else that moves in all directions?, What do all sound waves have in common?, How does energy affect volume?, What is the difference between volume and pitch?, How do we measure sound?, Why can sound travel more easily through liquids than through air?, Why can loud sounds be heard farther away than quiet sounds?, Are you more likely to hear an echo in a carpeted room or a tiled room? Why?, List the parts of the ear in the order in which sound reaches our brains., How is the eardrum like a drum?, Name two ways to protect yourself from hearing loss., What does the liquid in the cochlea do?, How do you think you would feel if you couldn't hear at all?, Why are some people hearing impaired or deaf?.

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