Which filtering material was better at filtering the pollutant from the water?(1 point)
Responses
sand
sand
soil layered over sand
soil layered over sand
sand layered over rocks
sand layered over rocks
rocks
The filtering material that was layered with soil over sand was better at filtering the pollutant from the water.
you have to choose a b c or d
a. sand
6. What evidence helped you answer question #5?(1 point)
Responses
The water that drained out of each bottle was clear.
The water that drained out of each bottle was clear.
The water that drained out of each bottle was purple.
The water that drained out of each bottle was purple.
The water that drained out of the sand/soil bottle was clearer than the water that drained out of the sand-only bottle.
The water that drained out of the sand/soil bottle was clearer than the water that drained out of the sand-only bottle.
The water that drained out of the sand only bottle was clearer than the water that drained out of the sand/soil bottle.
The water that drained out of the sand only bottle was clearer than the water that drained out of the sand/soil bottle.
Question 4
Imagine a new business complex with lots of buildings is being built in your community. In order to construct the buildings, a large amount of topsoil is removed. During the construction phase, after the topsoil has been removed, a large rainstorm occurs, and several inches of rain fall on the ground. The rainwater seeps into the ground and is eventually collected in the aquifer below.
7. Predict how the absence of topsoil would affect the groundwater collected in the aquifer below the surface.
(1 point)
Responses
The groundwater would be cleaner due to the absence of topsoil.
The groundwater would be cleaner due to the absence of topsoil.
The rainwater would not seep into the ground, so no water would get to the aquifer.
The rainwater would not seep into the ground, so no water would get to the aquifer.
The groundwater would not be as clean because the topsoil was missing.
The groundwater would not be as clean because the topsoil was missing.
The groundwater would not be affected by the absence of topsoil.
The groundwater would not be affected by the absence of topsoil.
Question 5
Engineers, project developers, and ecosystem experts work together to make sure the finished building complex is designed to protect the groundwater. Think about what you learned in both videos.
8. Which of the following design elements would help to protect the groundwater? Which would not?
This question is worth 1 point total. To earn the point, you must get all selections correct.
(1 point)
WOULD help protect groundwater would NOT help protect groundwater
Provide natural areas with topsoil to catch rainwater.
Remove all topsoil and use only sand as a ground cover.
Make sure topsoil is covered with native plants with strong root structures.
Pave the entire area with concrete.
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7. The groundwater would not be as clean because the topsoil was missing.
8. Provide natural areas with topsoil to catch rainwater - would help protect groundwater
Remove all topsoil and use only sand as a ground cover - would NOT help protect groundwater
Make sure topsoil is covered with native plants with strong root structures - would help protect groundwater
Pave the entire area with concrete - would NOT help protect groundwater
What evidence helped you answer question #5?(1 point)
Responses
The water that drained out of each bottle was clear.
The water that drained out of each bottle was clear.
The water that drained out of each bottle was purple.
The water that drained out of each bottle was purple.
The water that drained out of the sand/soil bottle was clearer than the water that drained out of the sand-only bottle.
The water that drained out of the sand/soil bottle was clearer than the water that drained out of the sand-only bottle.
The water that drained out of the sand only bottle was clearer than the water that drained out of the sand/soil bottle.