Water dissolving soluble minerals from bed and banks

Water forced into cracks in the banks

Wear other rocks away

Make water look cloudy or muddy

Rocks and stones act like sandpaper

Heavier material is carried along the bed

Water is forced into cracks in the bank. Eventually, it breaks up

None of the above

Rocks and stones act like sandpaper

Heavier material is carried along the bed

Water is forced into cracks in the bank. Eventually, it breaks up

None of the above

Rocks, stones and sand scrape away the bed and banks

Knock bits of rock off each other

Helps to break them up

None of the above

Bang and knock off bits of rock out of each other

Smaller stones that bounce along.

Make water look cloudy and muddy

None of the above

Heavier material carried along the bottom

Dissolved material that stays in water

When a floodplain forms

At the source of the river

Small particles of dust that makes water look cloudy or muddy

When a meander is formed

When an oxbow lake is formed

When the river reaches the sea