ficha de trabalho de ciências da natureza sobre a Água
Post on 03-Dec-2015
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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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