Question 1 of 6
Basic

Can groundwater be over a thousand years old?

Question 2 of 6
Basic

When bacteria in the soil interacts with organic compounds in the water, what are they broken down into?

Question 3 of 6
Basic

What do we call the water-bearing layer underground?

Question 4 of 6
Basic

The rainwater which becomes new groundwater is called what?

Question 5 of 6
Basic

What happens if groundwater is depleted too fast?

Question 6 of 6
Basic

Initially, water is driven underground by gravity. What is the main driver after a certain depth?

Question 6 of 6
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1: Can groundwater be over a thousand years old?
No
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1: Can groundwater be over a thousand years old?
Yes
2: When bacteria in the soil interacts with organic compounds in the water, what are they broken down into?
Pollutants in the water
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2: When bacteria in the soil interacts with organic compounds in the water, what are they broken down into?
Nothing - this process happens on the surface
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2: When bacteria in the soil interacts with organic compounds in the water, what are they broken down into?
Pure water and CO2
3: What do we call the water-bearing layer underground?
An aquifer
3: What do we call the water-bearing layer underground?
A water tank
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3: What do we call the water-bearing layer underground?
A well
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4: The rainwater which becomes new groundwater is called what?
Discharge
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4: The rainwater which becomes new groundwater is called what?
Replenish
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4: The rainwater which becomes new groundwater is called what?
Recharge
5: What happens if groundwater is depleted too fast?
The land subsides and a shallow lake forms
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5: What happens if groundwater is depleted too fast?
The land subsides and dries out
5: What happens if groundwater is depleted too fast?
Water pressure drops, but in principle the aquifer is always there
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6: Initially, water is driven underground by gravity. What is the main driver after a certain depth?
The main driver becomes pressure
6: Initially, water is driven underground by gravity. What is the main driver after a certain depth?
The main driver is still gravity
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6: Initially, water is driven underground by gravity. What is the main driver after a certain depth?
Both pressure and gravity, depending on conditions
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