TY - BOOK AU - Potter,Jean TI - Science in seconds at the beach : : with activities for ponds, lakes and rivers : exciting experiments you can do in ten minutes or less SN - 0471178993 U1 - 507.8 23 PY - 1998/// CY - New York : PB - John Wiley & Sons, Inc. , KW - Science - Experiments - Juvenile literature ; Beaches - Study and teaching (Elementary) - Juvenile literature N1 - Includes index ER -