Match the words with the definitions.

Write the number of the definition near the word.

Cliff [ ]

Plain [ ]

Waterfall [ ]

Canal [ ]

1. A waterway made by people in order to organise the passage of water transport inland.

2. An area of rock that rises very high and has a steep side.

3. A huge mass of water that falls from a higher to a lower point.

4. A large area of flat land without many trees growing on it.