How Do Volcanoes Erupt?

Volcanoes erupt when magma inside the Earth comes rushing out to the surface like a fiery fountain.

Imagine the Earth is like a big, hot chocolate cake with layers. Deep inside, there's magma, which is like melted rock that’s super hot and bubbly. When pressure builds up because of all those bubbles and heat, it pushes the magma upward through cracks in the Earth's crust, like opening a lid on a boiling pot.

Sometimes, gas bubbles in the magma act like tiny balloons, they expand and push the magma up faster. This is like when you open a soda bottle and fizz comes rushing out.

When the pressure becomes too much, lava, hot melted rock, flows out of the volcano, creating an eruption. Sometimes it’s just a gentle flow, other times it explodes with rocks and ash, like a giant firework show in the sky! Volcanoes erupt when magma inside the Earth comes rushing out to the surface like a fiery fountain.

Imagine the Earth is like a big, hot chocolate cake with layers. Deep inside, there's magma, which is like melted rock that’s super hot and bubbly. When pressure builds up because of all those bubbles and heat, it pushes the magma upward through cracks in the Earth's crust, like opening a lid on a boiling pot.

Sometimes, gas bubbles in the magma act like tiny balloons, they expand and push the magma up faster. This is like when you open a soda bottle and fizz comes rushing out.

When the pressure becomes too much, lava, hot melted rock, flows out of the volcano, creating an eruption. Sometimes it’s just a gentle flow, other times it explodes with rocks and ash, like a giant firework show in the sky!