Why Can’t I Hear That?: Pitch and Frequency
Series Exploring Sound By Louise Spilsbury, Richard Spilsbury
Edition
Series Exploring Sound By Louise Spilsbury, Richard Spilsbury
Library edition
Publisher Raintree Imprint Perspectives ISBN9781410960009
Why Can’t I Hear That?: Pitch and Frequency
Out of stock
SKU
9781410960009J
This informative book explains how vibration, frequency, and sound waves determine what makes noises audible. “The slowest vibration human ears can hear is 20 times a second. That is a very low-pitched sound. Smoke alarms vibrate 3,000 times a second, making a very high sound!” Six step-by-step, photo-illustrated activities, including using a Slinky to show how sound moves and creating a glass xylophone, demonstrate the principles involved. Vibrant, captioned full-color photographs and diagrams are featured throughout, along with bolded vocabulary words and text boxes that provide additional facts. The final pages discuss frequencies made and heard by animals, echolocation, and ultrasound. Back matter contains a glossary, suggestions for further reading, a link to publisher-approved Web sites, and an index.
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Instructional Nonfiction Science Grades K-2
Instructional Nonfiction Science Grades K-2
Instructional Nonfiction Science Grades K-2
For Grades K-2
These 12 standalone and series nonfiction titles will prove engaging introductions to subjects from animals and the natural world to technology, science fundamentals, and more.
12 books per Year
$312.24 per Year
Interests
Animals, Beginning Readers, Nonfiction, Science/STEAM
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