what molten material come out from the ridge

The molten material that comes out from a ridge is called magma while it is underground, and lava once it reaches the surface. At a mid-ocean ridge , this material rises from the mantle and erupts, then spreads outward as the seafloor moves apart.

Quick Scoop

• Below the surface: magma.

• At the surface: lava.

• At a ridge: molten material rises from the mantle and erupts.

If you want, I can also explain why mid-ocean ridges create new ocean floor in one simple paragraph.