GEOLOGY

EARTH SCIENCE

VOLCANOES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is it called when magma erupts out of the top of the mountain and lava flows down the side?
A
Volcanic Eruptions
B
Earthquakes
C
Floods
D
Weathering
Explanation: 

Detailed explanation-1: -This magma can push through holes or cracks in the crust, causing a volcanic eruption. When magma flows or erupts onto Earth’s surface, it is called lava.

Detailed explanation-2: -Eventually, some of the magma pushes through vents and fissures to the Earth’s surface. Magma that has erupted is called lava. Some volcanic eruptions are explosive and others are not.

Detailed explanation-3: -A volcanic eruption is when lava and gas are released from a volcano-sometimes explosively. The most dangerous type of eruption is called a ‘glowing avalanche’ which is when freshly erupted magma flows down the sides of a volcano.

Detailed explanation-4: -Molten rock below the surface of the Earth that rises in volcanic vents is known as magma, but after it erupts from a volcano it is called lava.

Detailed explanation-5: -rocks form when magma rises from the mantle but cools down and solidifies in the crust. Q. Magma that reaches the Earth’s crust and is thrown out from a volcano is called lava.

There is 1 question to complete.