Cover -- Title Page -- Copyright -- Contents -- Introduction -- Making Sounds -- Experiment 1: Making Sounds with Rulers and Tuning Forks -- Can You Feel Sound? -- Experiment 2: How Does Sound Feel? -- How Sound Travels -- Experiment 3: What Kinds of Matter Will Conduct (Carry) Sound? -- Locating Sounds with One or Both Ears -- How Does Thickness Affect the Pitch of a Vibrating String? -- Experiment 5: Pitch and the Thickness of a Vibrating String -- How Does Length Affect the Frequency of a Vibrating String? -- Experiment 6: Pitch and the Length of a Vibrating String -- How Does Tension Affect the Pitch of a Vibrating String? -- Experiment 7: Pitch and the Tension (Pull) on a Vibrating String -- Matching Sounds -- Experiment 8: Matching Vibrations (Resonance) -- Making Music with Tongue Depressors -- Experiment 9: A Tongue Depressor Piano -- Glossary -- Learn More -- Index -- Back Cover.