Introduces the facts about volcanoes, what they are, why and how they erupt, different types of volcanoes found around the world, and the effects of some famous eruptions of the twentieth century.
Knights had to be very strong just to walk around - they were wearing armor that weighed 50 pounds or more. Castles weren't just palaces - they were fortresses and prisons.
Charge into KNIGHTS AND CASTLES to find out more!