ACTIVITY 1.Complete the following sentences, choose the answer from the box below. Active volcanoes summit crater composite caldera slopes Volcano Inactive volcanoes shield cinder PHIVOLCS 1-2. A is a funnel-shaped opening at the top of a volcano while a is formed when a part of the wall collapses following an explosive eruption. 3. are those that have a record of eruption within the last 600 years. 4. A is an opening in the earth's crust through which lava, volcanic ash, and gases escape . 5. The are the sides or flanks of a volcano that radiate from the main or central vent 6. are those that have not erupted for the last 10,000 years. 7. At the there is an opening which may either be a crater or a caldera. 8-10. There are three general volcanic types according to the shape of their cones namely: and volcanoes.​