Light & Sound (Check It Out!)
Clint Twist
Harnessing children's natural curiosity about the world, this engaging series introduces kids to key science concepts through a simple question-and-answer format. The mechanics of sunlight, darkness, vibrations, and sound are simplified for young readers in this illuminating reference.
年:
2005
出版社:
Bearport Publishing
言語:
english
ページ:
31
ISBN 10:
1597160970
ISBN 13:
9781597160605
ファイル:
PDF, 3.78 MB
IPFS:
,
english, 2005