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Convection currents are created by the uneven heating of fluid liquid or gas, which creates the current. As the fluid is heated, its molecules move faster and further apart, which results in the fluid becoming less dense. The less-dense fluid will then rise, causing denser molecules

Convection currents happen when a liquid or gas is heated. The warm part rises because it’s lighter, while the cooler part sinks because it’s heavier. This creates a circular movement, like when water boils or warm air rises and cool air comes down. This process moves heat and energy around.

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Convection currents can be an example of patterns that moves liquids and such to the surface from the balance of heating and cooling. Eg. Magma can rise to the surface, when the magma rises, it loses its thermal energy and begins cooling. The cool magma will sink as it grows more dense which creates a convection current!

Convection currents are when fluid heats and rises to the crust, then when it cools, it becomes dense and sinks down.

Convection currents happen when things get too hot and start to bubble and causes gas

The electricity creates heat making it warm up and make those bubbles inside it.