Light and Sound
The Best Start in ScienceBook - 2010/08/01
Explains where light comes from, why it is dark at night, how light travels, what makes loud and quiet sounds, how people make sounds, and how sounds can be blocked.
Publisher: Mankato, MN : New Forest Press, 2010/08/01
Edition: North American ed
Branch Call Number: J 535 TWI
Characteristics: 24 p. : col. ill. ; 27 cm
Alternative Title: Light & sound