Question 1

Groundwater

Accepted Answer

A saturated layer of rock that holds water.

Answer

Water held underground in the soil or in pores and crevices in rock

Question 2

Percolation

Accepted Answer

The movement of water through soil and porous materials

Question 3

Aquifer

Accepted Answer

A saturated layer of rock that holds water.

Question 4

Infiltration

Accepted Answer

The process by which water on the ground surface enters the soil

Question 5

Permeability

Accepted Answer

The ability of a material (such as soil or rock) to allow water to pass through it.

Question 6

Pollution

Accepted Answer

The presence of harmful substances in water, air, or soil

Question 7

Porosity

Accepted Answer

The measure of empty spaces in a material, which affects how much water it can hold

Question 8

Runoff

Accepted Answer

Water that flows over the surface of the land rather than infiltrating into the ground

Question 9

Surface water

Accepted Answer

Water that collects on the surface of the ground, such as lakes, rivers, and ponds

Question 10

water table

Accepted Answer

The upper level of an underground surface in which the soil or rocks are permanently saturated with water.

Question 11

Watershed

Accepted Answer

An area of land where all the water drains into a common waterway, such as a stream, lake, or ocean.

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