Daneilla Desgoutte Westwood High School Grade 11p. Volcanoes. Objectives. Students should be able to: Define and explain the formation of a volcano. Differentiated between the types of lava and list features of each. Label the features of a volcano.
Caribbean volcanoes are normally made up of viscous lava.
Basalt lava flows, may smoother hills and valleys of a pre-existing landscape producing a wide flat plateau. The largest basalt plateau is in India.
Every 65 minutes the water come out the water is pre –heated. They also form natural fountains
Hard rock on top of lava. The water is then heated and the runs as hot spring.
An area where gases are released from volcanoes (sulphur).
These features are formed by magma that have cooled and hardened before it reaches the surface. They do come to the surface due to weathering.
is formed where magma flows horizontally between two rock layers and cools. It is formed parallel to the surface.
is a vertical or inclined sheet of magma that has cooled.
is a underground reservoir of magma. The rocks cool and harden below the surface. If a dyke become expose if its under a river a water falls will form.
1.Magma becomes lava when it reaches a volcano’s
c. Magma chamber
2.A volcanic mountain made up of volcanic ash, cinders, and bombs is called