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Water - A Precious Resource

Last updated almost 6 years ago

7 Nsɛmmisa

Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

STEM lesson

Part I: Water - A Precious Resource

INSTRUCTIONS: Answer the following questions related to the Learnz.org article: http://www.learnz.org.nz/water172/bg-standard-f/water-as-a-precious-resource (Note: Refer back to the website if you are having difficulty).

3

2

1

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5

2

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1.

Samuel Taylor Coleridge wrote, "Water, water, every where, Nor any drop to drink" in The Rime of the Ancient Mariner (1834). What is Coleridge trying to illustrate to the reader?

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2.

How does water, particularly rain water, become salty?

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3.

What percentage of the Earth's water is saltwater?

68%

75%

83%

97%

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4.

What percentage of the Earth's water is drinkable? Additionally, what percentage of that water is available to us?

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5.

Why is only such a small percentage of drinkable water available to us?

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6.

Draw a pie chart that best illustrates the ratios/percentages of saltwater and freshwater.

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7.

How do we protect what limited freshwater we have?