1-22 NOTES QUIZ: Human Activity & Water

Are these activities a helpful or harmful influence of human activity on watersheds.

Groups:

(a) Helpful

,

(b) Harmful

• Measuring groundwater levels from space

• Taking a long shower

• Using recycled water

• Road salts washing off a road during a storm

• Pouring waste chemicals down the drain

• Using ponds and wells to put groundwater back in aquifers

• Planting plants that use less water to grow

• Not picking up after a dog

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Look at the graph and match the approximate percentages of Earth’s water to each category.

• 12%

• Freshwater

• 2%

• saltwater

• 87%

• Groundwater

• 98%

• Glaciers and ice sheets

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NGSS.MS-ESS2-4

Based on the graph, which of the following statements are true? Select three.

• The public water supply uses the most water per day.

• Irrigation uses 53,500 million gallons of water per day.

• Power plants and aquaculture use similar amounts of water.

• Irrigation uses more water than all of the other uses combined.

• Mining uses less than 2,000 million gallons per day.

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NGSS.MS-ESS3-4

​ (a)   are regions of land that channel water into a reservoir, bay, or ocean. They are separated by the areas of high elevation that form their borders. When rain falls onto land, the water can evaporate from the surface, run along the surface into streams and rivers, or soak into the ground. Water that soaks into the ground can infiltrate deep into underground reservoirs called ​ (b)   , and ​ (c)   are the boundaries that separate an aquifer from the soil or ground above.

• watersheds
• aquifers
• water tables

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In one sentence, describe the water cycle.

• The water cycle is the process by which water circulates between the Earth's oceans, atmosphere, and land, involving evaporation, condensation, and precipitation.
• The water cycle refers to the movement of water only through the oceans.
• The water cycle is a method of purifying water through filtration.
• The water cycle is the process of water being stored in underground reservoirs.

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Why does it take time to restore freshwater?

• Restoration of freshwater is solely dependent on weather conditions.
• It takes time due to natural replenishment processes and human intervention requirements.
• Freshwater is always abundant and does not require time to restore.
• Freshwater can be restored instantly with technology.

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What might make a well “go dry?”

• Excessive rainfall
• Increased groundwater levels
• Over-extraction, drought, land use changes, geological changes.
• Improper well construction

Where does the water in a watershed come from?

• The water in a watershed comes from precipitation, surface runoff, groundwater, and melting snow or ice.
• Water from ocean tides
• Water from nearby lakes only
• Water from underground caves

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What does a watershed do with the water?

• A watershed primarily filters pollutants from the air.
• A watershed collects and directs water to rivers and lakes, while also recharging groundwater.

• A watershed evaporates all the water it collects.
• A watershed only stores water without any movement.

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NGSS.MS-ESS2-4

Where does the pollution in a watershed come from?

• Pollution in a watershed comes solely from household waste.
• Pollution in a watershed is only caused by natural disasters.
• Pollution in a watershed is primarily from wildlife activities.
• Pollution in a watershed comes from agricultural runoff, industrial discharges, urban runoff, and human activity.

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