Tectonic Plate Crossword

What floats on the mantle and causes mountains to form.
What erupts lava and ash
What is it called when the ground shakes violently.
What is formed when tectonic plates go above another.
What is the landscape with caves.
What is humanity made of.
What is a type of land called.
What is Uluru.
What is the arid landscape.
What is the landscape with rivers.
What is the landscape with sand and waves on the beach.
What happened to split Gondwanaland.
What is the supercontinent at the beginning called.
What is the area which has the most tectonic activity called.
What is at the very core of earth.
What is the second most inner core.
What is the section of the Earth with tectonic plates.
What is the outermost layer
What is the upper mantle and the crust called.
What is when a mountain is formed without the tectonic plate cracking.