TY  - ADVS
TI  - Gravity/weightlessness: measuring G's
T2  - 3-2-1 classroom contact
AV  - LB1585.C536.G738 1991 
PY  - 1991///
CY  - Lincoln, Nebraska
PB  - Distributed by Destination Education
KW  - Gravity
KW  - Juvenile films
KW  - Weightlessness
KW  - Weight (Physics)
N1  - Title from cassette label; 2
N2  - Explains weightlessness through rollercoaster rides, elevators, and more
ER  -