Watch full episodes and play Ready Jet Go games at https://pbskids.org/readyjetgo !
The kids fly over the Earth to look at a fault line. Face 9000 explains that they take a very long time to move, but when the pressure builds up it “cracks”, creating an earthquake.
Watch and play more games at https://pbskids.org or download the *FREE* PBS KIDS Video and Games app at https://pbskids.org/apps/
