1. Porque razão a água é importante para os seres vivos?

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2. Quais são as propriedades da água?

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3. Diz o que é:

a. o soluto. __________________________________________________________________________

b. o solvente. ________________________________________________________________________

c. a solução. _________________________________________________________________________

d. Insolúvel. __________________________________________________________________________

e. Solúvel. ___________________________________________________________________________

f. Saturada. __________________________________________________________________________

4. Por que processos se pode tratar a água? Explica cada um deles.

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5. Onde existe água na Natureza?

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6. Em que estados se encontra a água na Natureza?

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7. O que é o ciclo da água?

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8. Para que fins, o Homem utiliza a água?

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9. Indica as causas da poluição das águas.

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10. Que medidas o Homem deve tomar para evitar a poluição das águas?

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