Pronunciation of the English word vapor.
# | Sentence | |
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1. | Utter vapor, said Kohelet. Utter vapor, all is vapor. | |
2. | Water changes into vapor when it is heated. | |
3. | A cloud is a mass of vapor. | |
4. | Cirrus clouds are thin, wispy clouds that form high in the atmosphere as their water vapor freezes into ice crystals. Cirrus is one of the principal types of clouds. | |
5. | Contrails are long, narrow, ice-crystal clouds that form behind jet planes flying at high altitudes in below-freezing temperatures. They result from the condensation of water vapor remaining in jet exhaust. | |
6. | The Earth's atmosphere contains water vapor which helps to moderate our daily temperatures. | |
7. | Our atmosphere contains 21% oxygen, which is necessary for us to breathe, 78% nitrogen, and 0.9% argon. The other 0.1% consists of water vapor, carbon dioxide, neon, methane, krypton, helium, xenon, hydrogen, nitrous oxide, carbon monoxide, nitrogen dioxide, sulfur dioxide, and ozone. | |
8. | A cloud is a mass of vapor in the sky. | |
9. | When the water vapor in the atmosphere cools, it condenses back into little droplets of liquid water, forming clouds. | |
10. | The mesosphere is cold enough to freeze water vapor into ice clouds. You can see these clouds if sunlight hits them after sunset. They are called noctilucent clouds. |