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