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Educación La Rioja

How Different are Sounds from a Phone, a Computer, and a Mouth?

Física - Ficha para imprimir

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voicebox of a human.It is an educational content by education.com. ...

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Educación La Rioja

Which Batteries Last Longest?

Tecnología - Ficha para imprimir

Batteries make our lives portable. In other words, we can take things such as mp3 players, cell phones, digital cameras, and game consoles around to anywhere in the world. There are many kinds of batt ...