Unit D Chapter 8: Sound. What causes sound? Sound is caused by a vibration.

Unit DChapter 8: Sound

What causes sound?

Sound is caused by a vibration.

Which makes a sound?

http://images.google.com/imgres?imgurl=http://www.reef-audio.com/webpics/reef_akustisk_guitar.jpg&imgrefurl=http://www.reef-audio.com/guitars_wester_guitar_dg750.html&h=572&w=380&sz=15&hl=en&start=15&tbnid=Ljfs35ZJ2riPGM:&tbnh=134&tbnw=89&prev=/images%3Fq%3Dguitar%26gbv%3D2%26svnum%3D10%26hl%3Den%26safe%3Dactive

Guitar

http://images.google.com/imgres?imgurl=http://www.reef-audio.com/webpics/reef_akustisk_guitar.jpg&imgrefurl=http://www.reef-audio.com/guitars_wester_guitar_dg750.html&h=572&w=380&sz=15&hl=en&start=15&tbnid=Ljfs35ZJ2riPGM:&tbnh=134&tbnw=89&prev=/images%3Fq%3Dguitar%26gbv%3D2%26svnum%3D10%26hl%3Den%26safe%3Dactive

What is pitch?

How high or how low a sound is.

Which makes a high sound?

Which makes a low sound?

What is volume?

How loud or how soft a sound is.

Which makes a loud sound?

Which makes a soft sound?

squirrel

Which do you use to hear?

http://images.google.com/imgres?imgurl=http://www.infovisual.info/03/img_en/048%2520External%2520ear.jpg&imgrefurl=http://www.infovisual.info/03/048_en.html&h=344&w=468&sz=42&hl=en&start=92&tbnid=7yIZfE7OzZ90DM:&tbnh=94&tbnw=128&prev=/images%3Fq%3Dear%26start%3D80%26gbv%3D2%26ndsp%3D20%26svnum%3D10%26hl%3Den%26safe%3Dactive%26sa%3DN

http://images.google.com/imgres?imgurl=http://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/8880.jpg&imgrefurl=http://www.nlm.nih.gov/medlineplus/ency/imagepages/8880.htm&h=320&w=400&sz=14&hl=en&start=36&tbnid=n2n_KyhNLHZleM:&tbnh=99&tbnw=124&prev=/images%3Fq%3Dmouth%26start%3D20%26gbv%3D2%26ndsp%3D20%26svnum%3D10%26hl%3Den%26safe%3Dactive%26sa%3DN

The ear

Look at the object. Tell about what vibrates to make a sound?

Banjo

http://images.google.com/imgres?imgurl=http://irishmusicalinstruments.com/shop/images/Gretsch%2520New%2520Yorker%2520Banjo.jpg&imgrefurl=http://irishmusicalinstruments.com/shop/index.php%3FcPath%3D23%26osCsid%3D4bc0b23281ec3537af4d8f7b1a280ac6&h=751&w=500&sz=26&hl=en&start=14&tbnid=3Jb4UAjwmFW1YM:&tbnh=141&tbnw=94&prev=/images%3Fq%3Dbanjo%26gbv%3D2%26svnum%3D10%26hl%3Den%26safe%3Dactive%26sa%3DG

The banjo has strings that vibrate to make

sound.

Look at the object. Tell about what vibrates to make sound?

http://images.google.com/imgres?imgurl=http://www.discovertheguitar.co.uk/Images/flute11.gif&imgrefurl=http://www.discovertheguitar.co.uk/&h=623&w=454&sz=30&hl=en&start=288&tbnid=7WjZIwLyUqRlHM:&tbnh=136&tbnw=99&prev=/images%3Fq%3Dflute%26start%3D280%26gbv%3D2%26ndsp%3D20%26svnum%3D10%26hl%3Den%26safe%3Dactive%26sa%3DN

The flute makes sound by the air vibrating

Resources

• www.reef-audio.com

• irishmusicalinstruments.com

• www.discovertheguitar.co.uk

• www.infovisual.info

• www.nlm.nih.gov

• www.smm.org

Unit D Chapter 8: Sound. What causes sound? Sound is caused by a vibration.

Documents

Transcript of Unit D Chapter 8: Sound. What causes sound? Sound is caused by a vibration.