Groundwater and Water Resources

Which stage does groundwater try to return to the ocean or soak into the ground?

• condensation

• evaporation

• precipitation

• run off

A ___________________ is the area of land that collects runoff and channels it into a main river.

• rill
• gully
• stream channel
• watershed

Tags

NGSS.MS-ESS2-4

True or False:
It is ok to dump waste oil down a stormdrain.

• True
• False

Where does groundwater come from?

• Rainfall and melting snow
• Underground rivers

What can you do to help protect groundwater?

• Recycle used waste oil.
• Don't use more lawn chemicals than necessary.
• Dispose of hazardous and household chemicals properly.
• All of the above.

Where does groundwater flow when it comes out the ground?

• Lakes, rivers, and streams
• Groundwater stays underground and does not come to the surface

What can make groundwater unsafe to drink?

• Leaky landfills
• Wells 
• Under-ground water

Water percolates downward until it reaches the aquifer where it becomes trapped in cracks, crevasse and fractured stone. Which layer is this within an aquifer?

• saturated zone

• unsaturated zone

• surface

• atmosphere

Which of these are changes you could make to increase water in your local aquifer?

• water the lawn between 11 am and 4 pm

• take a shorter shower and turn off the water while you brush your teeth

• dispose of medications in the landfill, not the toilet

• use bottled water instead of tap water

Why is groundwater so important?

• Water is ancient and can't be replaced, only recycled

• It's all the water we have

• Desalination is expensive and can't be used in the central plains

• Most water on earth isn't freshwater and most freshwater comes from groundwater sources