Vicki Cobb's Bangs and twangs: science fun with sound PDF

By Vicki Cobb

ISBN-10: 0761315713

ISBN-13: 9780761315711

Publication through Cobb, Vicki

Show description

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

Similar nature & how it works books

Janice VanCleave's 201 Awesome, Magical, Bizarre, and by Janice VanCleave PDF

How do honeybees locate their approach domestic? Why is Venus so sizzling? how are you going to degree the rate of the wind? What makes a legitimate loud or gentle? become aware of the impressive solutions to those and different interesting mysteries in biology, chemistry, physics, earth technological know-how, and astronomy. simply try out those 201 enjoyable, secure, inexpensive experiments at domestic or within the school room.

Cars, Bikes, Trains, and Other Land Machines (How Things by Ian Graham PDF

Exhibiting how wheels aid issues flow, the diversities among gas and diesel gasoline, and what a locomotive's insides appear like, a full-color advent to land machines good points medical reasons and experiments and actions.

Download e-book for iPad: Pocket guide to the outdoors by Jean Craighead George

This advisor to the outside presents recommendation and directions on tenting, construction shelters, discovering water, and cooking open air. a few actions may possibly require grownup supervision.

Download PDF by DK: Strange but True!

Unusual yet real! is an eye-popping selection of severe, strange, and cryptic animals, locations, and phenomena. come across mouse-eating vegetation, input the cave of 20 million bats, dip a toe in a rainbow-colored river, become aware of zombie snails, frozen frogs, and volcanic lightning, and meet snakes that may devour alligators or antelopes.

Additional resources for Bangs and twangs: science fun with sound

Sample text

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?

Bang pots and pans. Gently tap a glass with a spoon. Knock on wood. Pluck a guitar or a piano string or a stretched rubber band. Blow across the open top of a soda bottle. Listen to each sound you make. Is it like a musical note or is it an ordinary The sound waves are traveling through air. Page 5 noise? Is it high or low? Can you match the tone with your voice? Hit something solid like countertop. Hit something hollow like a box. Knock on a wall in several places. Some areas may sound hollow, some may sound solid.

Some areas may sound hollow, some may sound solid. The solid sound comes from places where there is a beam or stud behind the wall. The sound waves are traveling through wood. Page 6 A rubber band can show you what happens when a sound is made. First, hook a rubber band over a doorknob and stretch it tightly. Pluck it to create a sound. Look at it closely as it gives off its twang. Use a magnifying glass if you have one. You can see that the rubber band Page 7 moves back and forth very quickly.

Download PDF sample

Bangs and twangs: science fun with sound by Vicki Cobb


by George
4.3

Rated 4.76 of 5 – based on 8 votes