TY  - BOOK
AU  - Fredericks,Anthony D.
AU  - Zweifel,Frances W.
TI  - Simple nature experiments with everyday materials 
SN  - 0806913541
AV  - GE77 .F74 1995
U1  - 372.3/57 20
PY  - 1995///
CY  - New York
PB  - Sterling Pub.
KW  - Environmental sciences
KW  - Study and teaching (Elementary)
KW  - Activity programs
KW  - Juvenile literature
KW  - Experiments
KW  - Scientific recreations
N1  - Includes index
N2  - Simple experiments demonstrate environmental concepts such as erosion, aeration, and animal camouflage
ER  -