Includes bibliographical references (page 31) and index.
Contents:
High and low -- Fast and slow -- Activity: Testing vibrations -- Changing waves -- Activity: Seeing waves -- Playing high and low -- Activity: Make a glass xylophone -- Playing with strings -- Activity: Testing strings -- Tuning tubes -- Activity: Pan pipes -- Changing voices -- Animal frequencies -- Ultrasound -- Activity: Hearing echoes -- Glossary.
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