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A ________ a natural feature, such as a mountain or valley, of the Earth's surface.
There are 7 continents on planet Earth.
A ___________ rock is a result of a transformation of a pre-existing rock.
Plate tectonics is the movement of earth's crust and the upper part of the mantle.
_______ is when the earth's surface is worn down.
__________ is a natural process that slowly breaks apart or changes rock.
__________ is when one of the plates is pushed under the other into the Earth's mantle.
_______ rocks have formed by the cooling and hardening of molten lava or magma.
The town experienced a ________ eruption.
The 'gluing together' of different sediments to make ___________ rock.
________ weathering is when the rocks and minerals are broken down but the chemical composition remains the same.
In ________ weathering, the minerals that make up the rock are changed.
