EXAME BIOLOXÍA E XEOLOXÍA TEMAS “A ATMOSFERA”, “A HIDROSFERA” EA “XEOSFERA”Apelidos:________________________________________Nome: ____________ Curso: ______ Data: ______________

1. Define as seguintes palabras: (0,5 pts)Atmosfera: _____________________________________________________Hidrosfera: _____________________________________________________Xeosfera: _______________________________________________________

2. Que é un mineral? Explica todas as súas características. (1 pt)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 3. Explica as propiedades físicas externas que se utilizan para identificar minerais: (1pt)

• __________________________________________________________• __________________________________________________________• __________________________________________________________• ___________________________________________________________• ___________________________________________________________• __________________________________________________________• __________________________________________________________

4. Que é unha rocha? Explica os tipos de rochas: (1pt)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

5. Explica o ciclo das rochas: (1pt)1. __________________________________________________________

__________________________________________________________2. ___________________________________________________________

___________________________________________________________3. ___________________________________________________________

___________________________________________________________4. ___________________________________________________________

___________________________________________________________5. ___________________________________________________________

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6. Que é o solo? Cales son os seus horizontes? (1pt)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

7. Nomea un mineral e unha rocha e indica os seus usos: (0,5 pts)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

8. Cales son as propiedades da auga? (1pt)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

9. Expón as fontes de contaminación da auga: (0,5 pts)________________________________________________________________________________________________________________________________________________________________________________________________

10. De que está composta a atmosfera? (1pt)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

11. Explica as capas da atmosfera e fai un debuxo nunha folla a parte. (1pt)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

12. Que é a presión atmosférica? De que factores depende? (1pt)_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

13. Explica en que consisten os efectos albedo e invernadoiro: (1pt)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

14. Que é a contaminación atmosférica? (0,5pts)_______________________________________________________________________________________________________________________________

15. Cales son os problemas medioambientais? (0,5 pts)________________________________________________________________________________________________________________________________________________________________________________________________

16. Que podemos facer para salvar a Terra? (0,5 pts)________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________