Nature How It Works

Download Bangs and twangs: science fun with sound by Vicki Cobb PDF

Posted On April 12, 2017 at 2:44 am by / Comments Off on Download Bangs and twangs: science fun with sound by Vicki Cobb PDF

By Vicki Cobb

Publication through Cobb, Vicki

Show description

Read Online or Download Bangs and twangs: science fun with sound PDF

Best nature & how it works books

How Cool Stuff Works

Ever questioned why your running shoes are so cozy or how your cellular works? you utilize many sorts of tremendous know-how on a daily basis yet do you could have any notion how they truly paintings? turn to the evidence during this marvelous ebook with outstanding illustrations and eye-popping motives. Dazzle your mates along with your wisdom of contraptions and gizmos.

Margaret Sanger: Rebel For Women's Rights (Women in Medicine)

Sanger used to be the founding father of the contraception flow within the usa and used to be a world chief within the box. Her paintings as a nurse confident her that restricting the scale of households via optional contraception was once had to in attaining social development.

Emergency In Escape Pod Four

Meet Stuart Zissu, a 12-year-old insurgent, and 4B-X, a super-smart droid who can resolution virtually each clinical query. They subscribe to the recognized droids R2-D2 and C-3PO on a most sensible mystery venture for the uprising. After stormtroopers assault their send, Stuart and the droids needs to use 4B-X's clinical wisdom to be able to pilot and land their runaway break out pod--or else.

Additional info for Bangs and twangs: science fun with sound

Sample text

Your cupped hands should make it possible to hear the whisper. " Here Is What You Need: Cut holes as shown in the bottom of the paper cups. Leave a small piece of the bottom to hook behind your ears. Put one cup over each ear. You now have super ears! Page 33 You can make super ears work even better if you cut an angled scoop out of the top. The super ears collect more sound waves and funnel them into your ears. Page 34 5 Paper Cup Speaker System You can use a paper cup to replace the amplifier and speakers of your stereo.

But it is good enough to get some idea of the recorded sound. The first record players worked the same way as the needle and cup. They were just a lot bigger. Page 36 6 Squawky Walkie-Talkie So far, all the sounds you've made from this book travel through the air. But sound can travel through other things until it reaches the air and your ears. All it needs is molecules to travel through, whether they are air, water, wood, or some other kind of matter. Here are a few examples of devices that make sound travel: Page 37 Page 38 Would you believe that you can send your voice through dental floss?

This works because the wax on the dental floss makes your fingers stick briefly as they slip. As your fingers stick and slip along the floss, they set up vibrations. The cup bottom picks up the vibrations and magnifies them into a magnificent squawk. Page 41 Page 42 7 Sound Effects All the sounds you hear are combinations of different pitches, rhythms, and loudness. A sound effect is sound that is produced to imitate something else. Here are some sound effects you can make: Put a small handful of rice in a metal pan.

Download PDF sample

Rated 4.61 of 5 – based on 39 votes