Question

Explain how convection currents help in the movement of plates

Answer 1

Convection currents drive the movement of Earth's rigid tectonic plates in the planet's fluid molten mantle. In places where convection currents rise up towards the crust's surface, tectonic plates move away from each other in a process known as seafloor spreading.
Convection currents create movement in the semi-liquid rock of the mantel, which in turn drives plate tectonic movement.

Answer 2

Answer is Heat from Earth’s interior causes currents of hot rising magma and cooler sinking magma to flow, moving the crust along with them. Rising magma pushes against and along tectonic plates, which eventually moves the plates together, apart, or along each other.
This rise and fall is known as the convection current.