rosie

• volcano natural opening of earth surface where molten rocks, gases and ashes are ejected
• mayon volcano is the most active volcano
• base, slope and summit are the basic parts of a volcano
• crater is a funnel shaped depression, formed as a result of explosive eruption (the mouth of the volcano or the opening of the volcano
• caldera is part of the crater collapses
• magma is the molten rocks inside the earth
• lava is a magma that has been ejected out the volcano
• the 3 types of volcano are shield volcano, cinder cone volcano and composite volcano
• the 5 types of volcanic eruption are phreatic, phreatomagmatic, strombolian, vulcanian, plinian
• phreatic is a stream driven eruption as the hot rocks come in contact with water
• phreatomagmatic is violent eruption due to contact between water and magma
• strombolian is a violent eruption, fountain lava
• vulcanian is characterize by tall eruption, reach up to 20 km with pyroclastic flow and ashfall tephra
• plinian is excessively explosive, eruption of gas and pyroclastic
• active volcano has a record of eruption
• inactive volcano shows no activity and has no record of eruption
• taal volcano is a volcano that is located in batangas and has 47 craters