Stop video after the lava samples are taken and fast forward until Tina Neal s background narration begins, The beginning of this eruption happened 18 days ago. Stop video after Tina and Robin s brief discussion and Tina says, . . It has gently-sloping sides and ejects lava. Its most recent violent eruption of hot ash and cinders is famous worldwide. A side slope.
Volcanoes usually erupt through the top.
During these questions, you may want to rewind the eruption footage and show it again. Resume video at normal speed. After Mount St. Helens erupted it left a huge crater, on an aerial view of this crater. Students observations should include patches of snow are evident, no lava fountains visible. Pause video after Robin and Holly Martinson discuss the landslide occurring a short distance away.