quiz no 3

• the crater is the opening of a volcano
• the deepiest part of the volcano is the magma chamber
• when the magma is cold or in the outside of a volcano there is the called the new called is lava
• the cerintrical chanel that connects to magma chamber is called the volcanic vent
• other volcanoes have a secondary vent or side vent
• the kinds or stages of volcano is the active volcano, dormant volcano and extinct volcano
• active volcano it is currently erupting or showing regular signs of activity like earthquakes and significant gas emission
• dormant volcano volcanoes that erupted and then have entered a long period inactivity '' sleeping volcano''
• extinct volcano volcanoes that have not shown signs of activity for a long period of time and has no records of volcanic eruptions in the past thousand years
• ash cloud it is happen when a volcano burst
• volcanic eruption occur when tectonic plates collide, massive rocks underground deform and trigger a build up of tempreture and pressure