Weathering usually happens

Rushing water causes the weathering on rocks on beaches and

Rocks can be worn down by ___________ carrying sand.

Changing temperature can weather rocks too.

Rocks are broken apart by frozen water and _____ the gets into spaces in the rocks.

Some chemicals can cause the __________ in rocks to change.

When the minerals in rocks change, the rocks break.

The first step in the formation of a cave is water entering cracks in _________

A small opening forms when ________ in the water soften minerals in rock.

Weathered rocks and other weathered materials don't stay in one place. They are moved around in a process called______.

A ____________ can cause erosion too.

Select three things that cause weathering.