Watch as a boy makes map of his room to show his friend the location of the supplies he'll need to care of the boy's hamster while the family goes on vacation.
The molten rock just under Earth's solid crust sometimes erupts suddenly and violently, causing streams of red-hot lava and scorching high-speed avalanches called pyroclastic flows.
Following the format of the successful Learning is Fun series, the Learning About series moves slightly upward in age range, from preschool and kindergarten concepts to curriculum topics covered in kindergarten through grade 1.
From natural disasters to spectacular waterfalls, see our spectacular planet's most amazing natural wonders in this exciting visual e-guide about Earth.
