- 1. In which layer is the ozone?
A) Troposphere
B) Biosphere
C) Mesosphere
D) Stratosphere
- 2. In which layer does reach a temperature of -60ºC?
A) Exosphere
B) Litosphere
C) Stratosphere
D) Troposphere
- 3. In which layer is the pressure lower?
A) Thermosphere
B) Troposphere
C) Stratosphere
D) Biosphere
- 4. The main gases which form the atmosphere are..
A) H2 , O2
B) N2 , O2
C) He , O2
D) He , N2
- 5. In the thermosphere the temperature drop
A) TRUE
B) FALSE
- 6. The troposphere layer reach until
A) 12 km
B) 50 km
C) 500 km
D) 80 km
- 7. The atmospheric phenomena occur in
A) Stratosphere
B) Biosphere
C) Exosphere
D) Troposphere
- 8. The IONOSPHERE is important because
A) Absorbe the UVA rays
B) Keeps the temperature stable
C) Reduces the greenhouse effect
D) Reflect the Electromagnetic Waves
- 9. What's the name of the instrument used to measure atmospheric pressure
A) Presionómetro
B) Barómetro
C) Atmosferómetro
D) Manómetro
- 10. El calentamiento de la atmosfera debido a la absorcion de ondas infrarojas por el CO2 se denomina
A) Greenwich effect
B) Greenhouse effect
C) Photosynthesis
D) Water Cycle
- 11. In which layer of the atmosphere meteors are burned
A) Mesosphere
B) Thermosphere
C) Stratosphere
D) Troposphere
- 12. The greenhouse effect is
A) Increase of UVA radiation
B) Warming of the atmosphere
C) Growth of green plants
D) Droping of acid rain
- 13. The instrument used to measure the pressure of a gas in a container is called
A) Gasómetro
B) Presionómetro
C) Manómetro
D) Barómetro
- 14. CO2 absorption by plants to produce food is called
A) Oxidation
B) CO2 cycle
C) Photosynthesis
D) Greenhouse effect
- 15. on top of Mount Everest the atmospheric pressure is about
A) 1/3 of the pressure at sea level
B) 1/2 of the pressure at sea level
C) 3 times the pressure at sea level
D) 1/6 of the pressure at sea level
- 16. Atmospheric pressure is the same at any height from the ground
A) False
B) True
- 17. The average temperature on the surface of the earth is about
A) 25ºC
B) 15ºC
C) -18ºC
D) 0ºC
- 18. the first scientist who measured the atmospheric pressure was
A) Torricelli
B) Arquimedes
C) Newton
D) Galileo
- 19. oxygen from the atmosphere
A) was produced by green plants
B) was produced by anaerobic bacteria
C) was produced by fungi
D) was produced by amphibians
- 20. which gas was NOT present in the PRIMITIVE earth's atmosphere?
A) H2O
B) O2
C) SO2
D) NH3
- 21. The force exerted at sea level by atmospheric pressure is about
A) 1 kg / cm2
B) 760 g / m2
C) 9'8 kg / cm2
D) 1 kg / m2
- 22. The most abundant gas in the atmosphere in our days is
A) Carbon dioxide
B) Nitrogen
C) water vapor
D) Oxygen
- 23. CO2 is a gas useless. It only serves to increase the greenhouse effect
A) False
B) True
- 24. Razona por qué la presión atmosférica DISMINUYE con la altitud (por ej. a la altura a la que vuelan los aviones -10.000 m- es casi 4 veces menor)
- 25. Haz una breve redacción contando lo que has aprendido en esta unidad y destacando lo que te ha parecido mas interesante.
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