TY  - BOOK
AU  - RILEY,Peter
TI  - Essential Science : Earth, Moon and Sun
SN  - 978 0 7496 9602 3
U1  - 523. 
PY  - 2010///
CY  - London
PB  - Franklin Watts
KW  - 0
KW  - Grade 7-9
N2  - How can you use shadows to tell the time? How big is the moon? What happens during an eclipse? This book answers all these questions and more through :  *factual information an practical investigation  *diagrams and data to help interpret results  *summaries of each topic
ER  -