effects
Can eruptions change the weather?
Yes, they can cool the Earth for a short time.
What is a volcano?
is an opening in Earth
Are there more active volcanoes than sleping volcanoes?
No, there are more dormant volcanoes
does ash affect the air?
Yes, it makes the air dirty and hard to breathe.
What color is lava?
orange or red when it is hot.
What is a volcano made of?
magma, rock, ash, and gases.
What causes a volcano?
Moving tectonic plates and pressure from magm
What happens after a volcanic eruption?
Ash falls, lava cools, and the land changes.
What causes magma to rise?
Heat and pressure inside the Earth.
Does lava become rock?
Yes, when it cools.
What is a positive effect of a volcanic eruption?
makes the soil very fertile.
Can water cause an eruption?
Yes, when water touches hot magma
Can volcanoes form islands?
Yes, lava can build new islands in the ocean.
Can humans activate a volcano?
No, humans cannot activate a volcano.
Do earthquakes cause volcanoes?
No, but they can be related
Does ash help plants grow?
Yes, it makes the soil rich.
How hot is lava?
700 to 1,200°C.
Can a volcano disappear?
Yes, it can erode or become inactive over time
Can eruptions block sunlight?
Yes, ash can block sunlight.