Sound - Woodbury Ph. D., Rebecca
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Children are introduced to the physics of sound. Energy causes air molecules to move slightly back and forth. The energy is passed from molecule to molecule, causing a longitudinal sound wave. The more energy used, the bigger the longitudinal wave and the louder the sound. The ear contains a thin flexible part, the tympanic membrane, that picks up the motion of the molecules in the sound wave. Sound waves can travel through other materials in addition to air. Sound travels faster through materials with tightly packed molecules. Some examples are given. Atoms, molecules, energy, and…mehr

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Produktbeschreibung
Children are introduced to the physics of sound. Energy causes air molecules to move slightly back and forth. The energy is passed from molecule to molecule, causing a longitudinal sound wave. The more energy used, the bigger the longitudinal wave and the louder the sound. The ear contains a thin flexible part, the tympanic membrane, that picks up the motion of the molecules in the sound wave. Sound waves can travel through other materials in addition to air. Sound travels faster through materials with tightly packed molecules. Some examples are given. Atoms, molecules, energy, and longitudinal waves are defined. Students are invited to try a simple experiment. 24 full-color, illustrated pages. Reading Level 1-3, Interest Level 2-5. Includes a pronunciation guide for scientific terms.
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Autorenporträt
Dr. Rebecca Woodbury, founder of Gravitas Publications Inc., has over two decades of experience in science education. With a background in biophysical chemistry, she created the Real Science-4-Kids product line in 2003 to support home educators. In 2020, she introduced RATATAZ, an innovative learning model that combines in-depth content with student-driven inquiries and project-based learning. Dr. Woodbury recently completed her M.Ed. in curriculum and instructional design, further enhancing her educational materials. She relocated her team to Tempe, AZ, in 2023 to better serve both homeschool parents and school educators.