Groundwater

The video tutorial explains the difference between soil moisture and water below the water table, known as groundwater. It introduces aquifers, which are layers of waterlogged rock or sediment that store groundwater and provide a significant portion of the world's fresh water supply.

What is the primary difference between the water table and soil moisture?

• Soil moisture and the water table are the same.

• The water table is below the soil moisture.

• Soil moisture is below the water table.

• The water table is above the soil moisture.

Which of the following is NOT true about soil moisture?

• It is a type of moisture in the soil.

• It is found above the water table.

• It is the same as the water table.

• It is different from the water table.

What is the significance of the water table in relation to soil moisture?

• It is irrelevant to soil moisture.

• It is found above soil moisture.

• It is the same as soil moisture.

• It marks the boundary below which soil is saturated with water.

Which of the following best describes an aquifer?

• A layer of dry soil.

• A waterlogged layer of rock or sediment.

• A type of water table.

• A type of soil moisture.

What role do aquifers play in the global water supply?

• They provide around half of the world's fresh water.

• They are not significant in the global water supply.

• They provide around 1/5 of the world's fresh water.

• They only supply water to oceans.