TY  - BOOK
AU  - Hann, Judith
TI  - How science works
SN  - 0895773821
U1  - 507.8	 
PY  - 1991///
CY  - Singapore
PB  - A Reader's Digest Book
KW  - Science--Experiments
KW  - Scientific recreations	
KW  - Scientific
N1  - The World of matter;
Energy, force and motion;
Light and sound; 
Air & water water;
Electricity & magnetism;
Electronics & Computers

ER  -