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Water Unit Test Review

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.

What is groundwater?

a)

Water that flows in rivers

b)

Water that fills tiny gaps between soil and sediments underground

c)

Water vapor in the atmosphere

d)

Water found in oceans

2.

What defines the water table?

a)

The surface of a river

b)

The depth at which soil is saturated with water

c)

The level of groundwater in aquifers

d)

The boundary between wetlands and dry land

3.

Which of the following describes an aquifer?

a)

A layer of impermeable rock

b)

A layer of saturated, permeable rock

c)

A water source above the water table

d)

A type of wetland

4.

What is an aquitard?

a)

A body of water above the surface

b)

An impermeable layer that prevents water flow

c)

A type of spring

d)

A well for pumping water

5.

What are wetlands primarily characterized by?

a)

Dry soil and limited vegetation

b)

Water present at least part of the year

c)

High levels of salinity

d)

Urban development

6.

What caused the Dust Bowl in the 1930s?

4 lines
7.

What is the role of an artesian well?

a)

It collects rainwater

b)

It uses natural pressure to bring water to the surface

c)

It filters pollutants

d)

It is used for irrigation

8.

What happens when aquifers are pumped faster than they can recharge?

a)

They overflow

b)

They become more saturated

c)

They could run dry

d)

They cause floods

9.

What is the primary benefit of riparian zones?

a)

They provide urban development opportunities

b)

They stabilize riverbanks and improve water quality

c)

They promote deforestation

d)

They reduce biodiversity

10.

How do anoxic soils affect carbon in wetlands?

a)

They promote decomposition

b)

They increase carbon cycling

c)

They slow decomposition, causing carbon buildup

d)

They have no effect on carbon

11.

Why does water behave differently than other liquids?

a)

It has a high boiling point

b)

It is a polar molecule

c)

It is a gas at room temperature

12.

What is cohesion in relation to water?

a)

Water's attraction to other substances

b)

Water's attraction to other water molecules

c)

The process of water evaporating

d)

Water's ability to freeze

13.

What is the hydrologic cycle also known as?

a)

The nitrogen cycle

b)

The water cycle

c)

The carbon cycle

d)

The soil cycle

14.

What is the primary role of watersheds?

a)

To store groundwater

b)

To drain into a specific body of water

c)

To prevent flooding

d)

To filter pollutants

15.

What is an estuary?

a)

A freshwater river

b)

The area where freshwater meets the ocean

c)

A source of groundwater

d)

A type of wetland

16.

How does acid rain form?

a)

Through evaporation

b)

From fossil fuel combustion creating acidic components

c)

From natural mineral deposits

d)

From excessive rainfall

17.

What happens to trees when acid rain leaches minerals from the soil?

a)

They grow faster

b)

They struggle to grow

18.

What is the effect of shade from trees in riparian zones?

a)

Increases water temperature

b)

Reduces erosion

c)

Decreases biodiversity

d)

Causes pollution

19.

What is transpiration?

a)

Water vapor leaving plant leaves

b)

Water seeping into the soil

c)

Water evaporating from rivers

d)

Water flowing over land

20.

Which of the following describes the benefits of riparian zones?

a)

They only provide habitat for fish

b)

They improve water quality and reduce erosion

c)

They promote urban development

d)

They have no significant ecological impact