Disclaimer:

These videos were compiled for the use of our homeschool. Please use them if you'd like but know that some of the links may have changed. Also, some videos have ads at the beginning or may continue on into another video that you may not want to see. Please preview each video before allowing your children to use the link. All the videos should open on their own page which may contain links to other videos. Videos played at YouTube will have other links visible while viewing the selected video. These links may not be suitable for children therefore it is a good idea to view all videos at full screen. Please use the links under adult supervision. I am sure many of the links have been deleted or changed. If my life ever slows down I will do my best to fix them. Thanks for understanding.



Friday, February 24, 2012

4th Grade Abeka Science - Ch. 6. - Energy: Sound & Hearing



How the Human Ear Works
Fun Science:Sound
Voice Production
Vocal Cords in Action (kinda gross to me:)
Listening Games

Watson Describes Bell's Invention of Telephone
Alexander Graham Bell
Edison Invents the Phonograph

Dolphins, Bats & People use Ultrasonic Waves
Echolocation Song
Sound of Submarine Sonar
1967 Documentary on Navy Submaries & Sonar

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