Groundwater

What is groundwater?

• Water located in rivers and lakes

• Water located within rocks below Earth's surface

• Water found in the atmosphere

• Water in the ocean

What is an aquifer?

• A type of rock that is impermeable

• A rock layer that stores and allows the flow of groundwater

• A layer of soil that is always dry

• A type of plant that grows in water

What does porosity refer to?

• The color of rock particles

• The amount of open space between individual rock particles

• The weight of rock particles

• The temperature of rock particles

What must an aquifer have to function properly?

• High density and weight

• High porosity and permeability

• High temperature and pressure

• High color and texture

What does the term "confined" refer to in the context of aquifers?

• An aquifer that is open to the surface

• An aquifer that is enclosed

• An aquifer that is dry

• An aquifer that is impermeable

What is the main function of an aquifer?

• To change the color of water

• To store and allow the flow of groundwater

• To heat the water

• To create waves

What happens in the saturated zone?

• All the pores are filled with air

• All the pores are filled with water

• No water is present

• Only air is present

What is the order of the underground layers mentioned in the text?

• Saturated zone above unsaturated zone

• Unsaturated zone above saturated zone

• Water table above unsaturated zone

• Water table below saturated zone

What happens to water when sunlight causes it to come up?

• It freezes

• It evaporates

• It condenses

• It solidifies

What causes global ocean currents according to the text?

• Differences in salinity

• Differences in density

• Differences in pressure

• Differences in altitude