6.2 Surface Water

Open Ended

Review your 6.2 lesson notes, in your own words, explain what 6.2 is about.

Labelling

label the steps of the water cycle

Drag labels to their correct position on the image

evaporation

condensation

transpiration

precipitation

Multiple Choice

What percentage of Earth's water is freshwater?

• 2.5%

• 10%

• 25%

• 50%

Multiple Choice

Why is the availability of freshwater about half of the total freshwater on Earth?

• The availability of freshwater is about half of the total freshwater on Earth due to the majority being trapped in ice and groundwater.
• The majority of freshwater is evaporated into the atmosphere.
• Most freshwater is found in rivers and lakes.
• Freshwater is evenly distributed across all regions of Earth.

Open Ended

Identify other location that you think freshwater is located on Earth beside the glaciers and icecaps?

Multiple Choice

Which parts of the water cycle does the watershed control?

• Runoff and infiltration
• Transpiration and filtration
• Precipitation and storage
• Evaporation and condensation

Multiple Choice

Which of the following best describes a watershed?

• An area of land that drains into a particular body of water

• A body of water surrounded by land

• A region with high rainfall

• A place where rivers originate

Open Ended

Explain how water characteristics change as it flows from the headwaters through the watershed.

Multiple Choice

What is unique about estuaries?

• Estuaries are found only in tropical regions.
• Estuaries are primarily freshwater bodies.
• Estuaries are devoid of any marine life.
• Estuaries are where freshwater and saltwater mix.

Multiple Choice

When salt and fresh water mix, what is the new water substance called?

• Brackish Acid
• Fresh Water
• Salt Water
• Brackish Water

Multiple Select

Select all that apply: What are the sources of nutrient pollution in the Chesapeake Bay?

• Agricultural fertilizers

• Suburban runoff

• Wastewater treatment plants

• Industrial mining

Open Ended

What effect do these pollutants have on the Chesapeake Bay estuary?

Multiple Choice

How does pollution in a watershed impact water quality and living things?

• Pollution degrades water quality, harming aquatic life and posing health risks to humans and wildlife.
• Pollution enhances the growth of aquatic plants and animals.
• Pollution has no effect on water quality or living organisms.
• Pollution improves water quality, benefiting aquatic ecosystems.

Fill in the Blank

Only ___% of Earth's water is available for living things.

.

Open Ended

Why is it important to conserve freshwater resources on Earth?