Waterfalls

The river undercuts the hard rock, creating an overhang.

• True

• False

"Water cuts into the rock and wears it away," This is called...

• sediment

• deposition

• erosion

Which sentence is completely accurate?

• Waterfalls occur where there is a layer of soft rock and hard rock and both are eroded quickly
• Waterfalls occur where there is a layer of soft rock and the hard rock is eroded away (e.g. Shale)
• Waterfalls occur where there is alternating layers of hard and soft rock and the soft rock is eroded quicker (e.g. Shale)
• Waterfalls occur where rock is eroded quickly and the waterfall advances

What landform can you see in this picture?

• Waterfall

• V Shaped Valley

• Meander

• Ox-bow lake

What is the deep water called beneath a waterfall?

• Plunge bath

• Mermaids retreat

• Plunge pool

• Pool

Waterfalls - what is the gap called between the hard and soft rock created by erosion?

• Deadman's drop

• Hole

• Erosional gap

• Overhang

In which section of the river do waterfalls form?

• Upper course

• Middle course

• Lower course

• Every course

For a waterfall to form there needs to be two layers of rock. Which way round must they be?

• Soft rock on top of hard rock

• Hard rock on top of soft rock

Waterfalls are landforms created by....

• Erosion

• Deposition

Over time the top rock sticks out over the bottom rock. It is unsupported and so eventually ______________ into the plunge pool