Identify the change happening in each situation. On the space provided before each number , write "MW" if the change is example of Mechanical Weathering and "CW" if it is an example of Chemical Weathering
_____1.A boulder of shore is slowly broken apart by the force of water.
_____2.Earthworm makes tunnels in the ground which may lead to the breakdown of stones and rocks.
_____3.Some plants release chemicals which loosen the rocks and cause them to break.
_____4.Water inside the rocks freezes and melts again.
_____5.The chemical composition of rocks changes when acid is produced by the roots of some plants.
_____6.Minerals in rocks dissolve.
_____7.Tree roots can grow into cracks and break rock apart.
_____8.As the wind blows, it carries sand or small rock particles that scratch the rock's surface.
_____9.As the rocks expand, the cracks become deeper and no cracks are produced.
_____10.Rocks exposed to the intense heat of the sun crack and crumble when rain falls or soak in the ground.
