Oh no, the volcano is erupting! Its now active. The lava is flowing at the surface and at different speeds, this happens because is viscosity.
We have to leave, we don't want to get stuck in the dangerous Pyroclastic flow.
I would call that a successful field trip.
Layers of sediment
Dikes and Sills
The volcano started to erupt and they had to leave. Lava flows at different speeds because of viscosity. They left because they did not want to get caught in the Pyroclastic flow which is when all the ash falls and creates an avalanche.
The class was able to safely return from their field trip. The class reviewed what they learned while on their field trip.
The class reviewed the layers of the volcano, along with the differnt parts of a volcano when they got back from their field trip.