The Earth's Atmosphere
Questions about passage
3.nitrogen, oxygen and carbon dioxide
4.The ozone layer, which protects Earth from the sun’s radiation.
5.They burn up before they reach the troposphere.
6. It is extremely thin, it is beyond 300 km and here the atmosphere merges into space.
7.In the thermosphere.
8.In the stratosphere.
9. In the troposphere and in the stratosphere.
a)Air pressure b) UV rays c)radiation d) Greenhouse effect e)barometer f)ozone
Conquering the Air: the Wright Brothers
1.F: passion 2.T 3.F it is still standing 4.F it was critical 5.F less than a minute 6.F 39 minutes 7.T 8.F $5,000 9.F Ford released his first car in 1910 10.F some 11.T 12. F brown bird 13.F the original was a two-seater 14.F wood 15.F the replica does 16.F. they traveled the world 17.F Skill
1.clear 2.out of thin 3.building castles in the 4.a breath of fresh 5.gasping/panting for 6.walking on 7.his grievances 8.disappeared/ vanished into thin 9.put on 10.full of hot 11. dirty laundry in public
The Air Puzzle
Across: 1. lungs 4. airforce 7. airdrome 8. airy 9. hot 10. ozone 11. inhale 13. dirty laundry 14. air guitar
Down: 1. layers 2. airbag 3. breathe 4. airline 5. oxygen 6. clear 7. airmail 12. aircraft