| Term 
 | Definition 
 
        | likely to cause injury or harm |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | flowing TOWARD the source of a stream |  | 
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        | Term 
 | Definition 
 
        | flowing AWAY FROM the source of a stream |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | a deep depression between mountains or hills |  | 
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        | Term 
 | Definition 
 
        | flat land on either side of a river |  | 
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        | Term 
 | Definition 
 
        | a wall of earth or concrete built along a river bank |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | huge waves, caused by earthquakes in the ocean |  | 
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        | Term 
 | Definition 
 
        | to break free or get away from something |  | 
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        | Term 
 | Definition 
 
        | the side of a river or stream |  | 
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        | Term 
 | Definition 
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        | Term 
 | Definition 
 
        | not funny; dangerous * THIS IS THE SECRET WORD!  TELL  YOUR TEACHER TO COLLECT A PRIZE.
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | giant walls made to control the flow of water |  | 
        |  |