TY  - BOOK
AU  - Rush,Caroline
AU  - Gordon,Mike
TI  - Levers
T2  - Simple science
SN  - 0817245014
U1  - 621.8 
PY  - 1997///
CY  - Austin, Tex.
PB  - Raintree Steck-Vaughn
KW  - Levers
KW  - Science
N1  - Lexile: Not Found
N2  - Introduces the concept of this simple machine and suggests activities which explore the principle of force
ER  -