What are tectonic plates?

What makes tectonic plates able to move?

What do we use to document the movement of continents?

What direction does magnate get magnetised in?

Why do people measure the angle at which rocks are magnetised?

How is a map of continental movement made?

What do we use fossils in sedimentary rocks for?

What do grains of sand found in rock determine?

What are ripples in rocks formed by?

How is coal formed?

How is rock salt formed?

How is sandstone formed?