Answers:

1. Tornado means to twist or turn.

2. A tornado is a whirlwind produced by atmospheric conditions, mainly extremely low pressure, during a severe thunderstorm.

3. Tornadoes usually turn counterclockwise.

4. They (tornadoes) appear as funnel shaped columns of violently rotating winds that reach down from a storm and touch the ground.

5. A tornado may be referred to as a funnel cloud. And another name that is often used to describe a tornado is twister.

6. Due to its violent twisting motion.

7. Severe storms, which may include lightning, high winds, and frequent hail.

8. A roaring sound, or as some describe it, the sound of freight train.

Note: Hopefully, it's helpful to you!!:))