Video questions - Lightning Raging Planet Discovery Channel - student PDF

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Discovery Channel Video Questions Raging Planet Series: Lightning

Date: Name:

The answers to the following question can be found from the video. The questions are NOT listed in the order of occurrence in the video but rather grouped by related topics.

1.

How thick is a lightning bolt?

2.

What is the voltage of a single lightning bolt?

3.

What is the cause of thunder?

4.

What percent of lightning touches the ground?

5.

What 200-year-old technology is still currently the best protection against lightning strikes?

6.

What is the primary cause of death in people who are struck by lightning?

7.

Explain why a tree blows apart when hit by lightning?

8.

Why are cars the safest place to be in a thunderstorm?

9. Describe the following types of lightning Lightning Types Arc

Sheet Ribbons, streamers and spider Heat

Sprites

Jets

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10. Explain how storm clouds and rain are formed. Use point form and include a sketch of the process.

11. Explain how lightning is formed. Use point form and include a sketch of the process.

12. Explain how lightning follows a jagged path. Use point form and include a sketch of the process.

13. The NASA launch tower is in lightning alley and is the tallest object for miles. Describe the 2 lines of defence NASA takes to protect against lightning strikes. a. First line of defence: Accurate prediction of

b. Second line defence: Physical protection Of the launch tower:

Of the space shuttle:

14. Describe two positive effects of lightning....