Why do some volcanoes explode?

a type of rock formed when thin, fast-moving lava cools and is usually very dark in color

• basalt
• rock

a volcano with slow-flowing, thick lava that usually erupts with an explosion

• cone volcano
• shield volcano

when lava quickly comes out of a volcano

• volcano
• erupt

a type of rock formed when thick, slow-moving lava cools and is usually light in color

• basalt
• felsite

liquid rock that flows or explodes from a volcano

• lava
• erupt

a solid natural material that is found on and under the surface of the Earth

• volcano
• rock

a volcano with fast-flowing, thin lava that does not usually erupt with an explosion

• cone volcano
• shield volcano

a high area of land with an opening where lava flows or explodes out from

• volcano
• basalt

What type of volcano is this?

• Cone Volcano

• Shield Volcano

What type of volcano is this?

• Cone volcano

• Shield Volcano