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.