TY  - GEN
AU  - Yang, Ji-an
AU  - Bahng, Jeong-hwa
TI  - It's falling, fallinfg!
SN  - 9781925248715
U1  - [E] 
PY  - 2016///
CY  - United States
PB  - Big & small
N1  - IB Program. Livro de uso exclusivo dos professores
N2  - Gravity is a force that pulls objects toward the earth. We cannot feel gravity. But it affects everything on the planet. Because of gravity we can walk. Apples fall off trees. Let's find out more about the invisible force of gravity
UR  - 00002e/00002e4a.jpg
ER  -