What is the term for a deep armchair-shaped hollow found on the flank of a mountainside?

What is the term when two corries form side by side, or back to back?

What is the geographical term used to describe three or more corries, in hollows on all sides of a mountain?

Where on mountains, in the UK, are the deepest corries found?

When the ice retreated at the end of the last ice age, deep corries were filled with meltwater. What are these called?

In the UK, what shape would a valley have been before glaciation?

In the UK, what shape would a valley have been after glaciation?

Following glaciation, what formation have the valleys interlocking spurs been shaped into?

How many years ago did the last ice-age end?

Long, thin, U-shaped valleys are formed by glacial erosion. After the ice has gone, rainwater fills the valley bottom to form a long, thin lake. What is this lake called?

After glaciation, smaller tributary valleys were left cut-off above the main glacial trough. These now result in spectacular waterfalls. What are these cut-off valleys called?

What is another name for a U-shaped valley?

What is the side of a mountain called?

Why are the deepest corries in the UK found on the Northeast side of mountains?

What is the name of a very steep sided valley, with almost vertical sides leading down to a straight and wide valley floor?

What is the sediment pushed in front of a glacier called?

What is another name for a corrie?

What is a knife-edge ridge often found at the back of a corrie called?

What is a lake within a corrie, sometimes called?