Joy English · Level B2 · Sciencejoy-english.com
How lightning forms
Name:Date:
Follow a scientific process explained step by step.
Listen to each sentence and write what you hear.
Audio and answer checking: https://joy-english.com/listening-lessons/how-lightning-forms
Words to know
- charge
- An amount of electricity.
- spark
- A flash of electricity that jumps across a gap.
- expand
- To become larger.
Answer key
- Inside a storm cloud, ice and water drops crash into each other.“Crash into” links together.
- This creates areas of positive and negative electric charge.The stress in “negative” is on “neg”.
- When the difference becomes large enough, a huge spark jumps between them.The stress in “between” is on “tween”.
- That spark heats the air so quickly that it expands with a loud bang.“So quickly that” shows a result.
- Because light travels faster than sound, we see the flash before we hear the thunder.“Thunder” starts with an unvoiced th.