Page 384 - Benchmark-4.1

Storms

Thunderstorms

n. a storm with heavy rain, lightning, and thunder
One type of storm is a thunderstorm. Thunderstorms
thunderstorm

n. a flash of light in the sky during a storm
lightning
bring heavy rain with thunder and lightning. A

thunderstorm begins with moving air. Warm, light air

moves up. It may rise because Earth’s surface heats it.

Unit 11 | Storms