The Force of Moving Water The Force of

The Force of Moving Water

The Force of Moving Water Work and Energy A river’s water has energy Energy is the ability to do work

The Force of Moving Water Work and Energy There are two types of energy Potential Energy that is stored and waiting to be used later

The Force of Moving Water Work and Energy There are two types of energy Kinetic Energy The energy an object has due to its motion

The Force of Moving Water Work and Energy As gravity pulls water down a slope, the water’s potential energy changes to kinetic energy that can do work

The Force of Moving Water The water you had in your bucket had POTENTIAL ENERGY

The Force of Moving Water When you poured the water from your bucket into your stream table the water’s potential energy changed to KINETIC ENERGY

The Force of Moving Water The water has kinetic energy due to its motion. Kinetic energy can do work. The water worked to erode your “river”

The Force of Moving Water Gravity caused the movement of the water. That’s why you used books to tilt the stream table down

The Force of Moving Water How did the water cause erosion? Erosion Water picks up and moves sediment

The Force of Moving Water Erosion Then the water deposits the sediment somewhere else This is called Deposition

The Force of Moving Water Most sediment washes or falls into a river as a result of mass movement and runoff Other sediment erodes from the bottom or sides of the river

The Force of Moving Water Most sediment washes or falls into a river as a result of mass movement and runoff Other sediment erodes from the bottom or sides of the river

The Force of Moving Water The amount of sediment that a river carries is its LOAD Gravity and the force of the moving water cause the sediment load to move downstream

The Force of Moving Water When you poured a lot of water into your stream table you saw that the fast moving water lifted sand other sediment and carried it downstream

The Force of Moving Water A river’s slope, volume of flow, and the shape of its streambed all affect how fast the river flows and how much sediment it can erode

The Force of Moving Water A river’s slope affects how fast the river flows and how much sediment it can erode The more books you placed under your stream table the greater the slope

The Force of Moving Water A river’s volume of flow affects how fast the river flows and how much sediment it can erode The faster you poured the water the more you increased your river’s volume of flow

The Force of Moving Water The shape of a river’s streambed affects how fast the river flows and how much sediment it can erode The more curves you put in your river the more sediment it eroded

The Force of Moving Water Where would you expect the water in this river to have the greatest amount of POTENTIAL ENERGY?