Waterfalls

Develops when a river meets a layer of hard rock.

• True

• False

At the base of the waterfall what forms?

• Plunge Pool

• Overhang

• Stream

• Abrasion

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

The river undercuts the hard rock, creating an overhang.

• True

• False

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

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

• Deadman's drop

• Hole

• Erosional gap

• Overhang

Waterfalls are landforms created by....

• Erosion

• Deposition

What two inputs do you need for waterfalls to form?

• Steep gradient

• Bands of hard and soft rock

• Fast flowing water

• River sediment