Water Systems 2025 (v.1)

Multiple Choice

WHAT IS THE PURPOSE OF THE WATER CYCLE?

• o circulate water through the environment, supporting life and regulating climate.

• To provide drinking water for all living beings, supporting life and regulating climate.

• To create clouds and cause rain only, supporting life and regulating climate.

• To store water in underground reservoirs, supporting life and regulating climate.

Multiple Choice

WHAT PERCENTAGE OF THE WATER ON EARTH IS FRESHWATER?

• 2.5%
• 10%
• 5%
• 1%

Multiple Choice

WHAT PERCENTAGE OF THE WATER FRESHWATER IS IN ICE?

• 68.7%
• 80%
• 50%
• 74%

Multiple Choice

WHAT HAPPENS TO WATER WHEN IT RAINS?

• Water evaporates into the air, flows into bodies of water.

• Water is absorbed by the ground, or flows into bodies of water.

• Water turns into ice, flows into bodies of water.

• Water disappears completely

Multiple Choice

The picture shows bends in a river as it flows over land - what river feature is this?

• Oxbow Lake

• Meander

• Estuary

• Tributary

Multiple Choice

The picture shows the point where a river meets a larger body of water, such as an ocean. What river feature is this?

• Headwaters

• Meander

• Levee

• Mouth

Multiple Choice

A river source or headwaters are:

• the beginning of a river

• the middle of a river

• the end of a river

• a tributary of a river

Multiple Choice

How should #1 be labeled?

• source

• delta

• tributary

• watershed

Multiple Choice

How should #2 be labeled?

• ocean

• watershed

• delta

• meander

Multiple Choice

How should #4 be labeled?

• source

• watershed

• delta

• tributary

Multiple Choice

WHY DOES GROUNDWATER HAVE TO INTERSECT WITH THE SURFACE?

• Groundwater intersects with the surface to maintain water bodies.

• Groundwater intersects with the surface to increase soil erosion.
• Groundwater only exists below the surface and never reaches it.
• Groundwater intersects with the surface to create artificial lakes.

Multiple Choice

WHAT DOES PERMEABILITY MEAN?

• Permeability means the ability of a material to retain heat.
• Permeability is the strength of a material under pressure.
• Permeability refers to the density of a material.
• Permeability is the ability of a material to allow fluids to pass through it.

Multiple Choice

WHAT IS A WATER TABLE?

• The water table is the boundary between groundwater and soil that is not saturated.
• The water table is the area where rainwater collects before evaporating and soil that is not saturated.

• The water table is the surface of the ocean and soil that is not saturated.

• The water table is the level of water in rivers and lakes and soil that is not saturated.

Multiple Choice

WHY ARE AQUIFERS IMPORTANT?

• Aquifers are primarily used for industrial waste disposal.
• Aquifers are only found in desert regions.
• Aquifers are not related to water supply or ecosystems.
• Aquifers are important because they provide fresh water