Y7 Science - Water Worth

Y7 Science - Water Worth

​When you are reading the newspaper one morning, this article captures your attention. Thinking back, you remember that it rained the day before yesterday, but the article is still describing drought-like conditions.

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How can there still be a drought after it rains?

Multiple Choice

Recall that some cities and towns rely on local aquifers for their daily water needs.

How does an aquifer form?

• Surface water trickles through layers of rock and collects underground.

• Precipitation on the surface forms large above-ground pools.

• Water from deep inside Earth bubbles up close to the surface.

Multiple Select

Which of the following are ways in which an aquifer is depleted? Select all that apply.

• precipitation

• springs

• wells

• irrigation

Open Ended

While most of the planet is covered in water, only a small amount of it is available to humans. In fact, over 96% of all water on Earth is saltwater, unusable by humans. The remaining fresh-water is not evenly distributed around the globe. What are some ways your local environment would be affected if there was suddenly less water available?

Multiple Select

When water resources become scarce, many communities enact water restrictions to limit the use of water for nonessential needs. Which of the following can be classified as nonessential uses of water? Check all that apply.

• washing the car

• watering the lawn

• fighting fires

Open Ended

A seasonal drought may last for months or years, depending on several factors. There are several regions of the world, however, where water is always in low supply. These areas are already experiencing water scarcity. What do you predict might happen if groundwater sources around the world continue to be depleted faster than they are restored?

Open Ended

How can a drought continue even after a recent rainfall?

Open Ended

What methods can you take locally to reduce the strain on the water supply in your community if measures like water restrictions are put in place?