acid rain
باران اسیدی
Acid rain is polluted and is harmful to the environment.
atmosphere
جو
The atmosphere is the gas that surrounds a planet.
centigrade
سانتی گراد
Centigrade is a measure of temperature that is abbreviated C. Water freezes at 0°C and boils at 100°C.
cloud
ابر
Clouds are white or gray object that floats in the air and contains tiny water drops or ice particles.
cyclone
گردباد
A cyclone is a storm of rapidly spinning air that is very dangerous.
dust storm
توفان گرد و خاک
A dust storm is a very strong wind that carries dust across the land. Dust storms occur in dry areas, like deserts.
evaporation
تبخیر
Evaporation is the process in which a liquid goes into its gaseous form, for example, when liquid water becomes water vapor.
fahrenheit
فارنهایت
Fahrenheit is a measure of temperature that is abbreviated F. Water freezes at 32°F and boils at 212°F.
hail
تگرگ
Balls of ice that fall from clouds are called hail or hailstones.
hurricane
توفند
A hurricane is a strong storm with high winds and rain. The very center of the storm, called the eye, is calm.
ice
یخ
Ice is frozen water.
Ice Age
عصر یخبندان
An Ice Age is a time when the Earth becomes very cold and much of it is covered with ice and glaciers. There have been many Ice Ages on Earth; the last one lasted from about 2 million to 10,000 years ago.
iceberg
توده یخ شناور
An iceberg is a huge chunk of ice that floats in the sea. Most of an iceberg is hidden under the water.
icicle
قندیل یخ
Icicles are hanging ice that are formed from dripping water.
