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Light and sound help us recognize objects and noises! This fascinating Spanish nonfiction reader teaches students how vibrations, radiant energy, wavelength, frequency, amplitude, reflection, optics, and sound waves help us see and hear.

Produktbeschreibung
Light and sound help us recognize objects and noises! This fascinating Spanish nonfiction reader teaches students how vibrations, radiant energy, wavelength, frequency, amplitude, reflection, optics, and sound waves help us see and hear.
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