Podcast
Questions and Answers
A river is a stream of water that flows within a ______.
A river is a stream of water that flows within a ______.
channel
Hills and mountains are the source for many ______.
Hills and mountains are the source for many ______.
rivers
The riverbed has a steep slope, and its valley is ______.
The riverbed has a steep slope, and its valley is ______.
narrow
As a river nears its mouth, it slows down and drops ______.
As a river nears its mouth, it slows down and drops ______.
If rain is heavy, a river can flow over its ______.
If rain is heavy, a river can flow over its ______.
Weathering occurs in rivers when the current causes rocks to bump against each other and break apart. It can also occur when waves crash against a ______.
Weathering occurs in rivers when the current causes rocks to bump against each other and break apart. It can also occur when waves crash against a ______.
This process can help create soil, when weathered rock combines with ______ matter.
This process can help create soil, when weathered rock combines with ______ matter.
Factors such as wind and ______ can also cause erosion.
Factors such as wind and ______ can also cause erosion.
Deposition occurs when water slows down and drops the rocks and ______ it carries.
Deposition occurs when water slows down and drops the rocks and ______ it carries.
Water can enter cracks in rocks, and can ______ there.
Water can enter cracks in rocks, and can ______ there.
A glacier is a river of ice moving downhill very ______.
A glacier is a river of ice moving downhill very ______.
Glaciers cause erosion by pushing the broken pieces of rock under them and on top of them as they ______.
Glaciers cause erosion by pushing the broken pieces of rock under them and on top of them as they ______.
