How does sound change?

题名:

PERSONAL_AUTHOR_EPSB:

摘要:

"Sounds help us understand the world around us. This engaging title provides a close-up look at the science behind different sounds. Readers discover how sound waves travel through different matter and learn about concepts such as echoes, volume, and pitch. Accessible language and relatable examples support reader comprehension".

出版日期范围:

2014

SERIES_EPSB:

Light and sound waves close-up

物理描述:

24 p. : col. ill. ; 22 cm.

内容:

What is sound? -- Good vibrations -- Sound waves -- Turn it down! -- Pitch perfect -- Sound travels -- Waves in water -- Sound bounces -- Pipe up! -- Making waves.

EPSB_521_1:

5-8.

EPSB_521_2:

K-3.

主题词汇:

Sound-waves.

Sound.

ISBN:

9780778705246

出版信息:

St. Catharines, Ont. : Crabtree Pub. Co., [2014]