TY  - BOOK
AU  - Brasch,Nicolas
TI  - Why Do Shadows Change?: and other questions about light and dark 
T2  - Cambridge Young Readers
SN  - 9780521137317
U1  - 153BRA 
PY  - 2010///
CY  -  United Kingdom 
PB  -  Cambridge university Press
KW  - Sciences
KW  - English language
N1  - Contents, Quiz, Glossary.; - Questions about light and dark 
- Questions about light and colour
- Questions about light and reflections
- It’s a fact
- Can you believe it ? 
- Who found out ? 
- It’s quiz time !
- Glossary

N2  - What is light? 
What is white light? 
What is a polar night? 
You can find the answers to these and other questions about light and shade in Why Do Shadows Change?
UR  - www.cambridge.org/elt/youngreaders
ER  -