To make your own thunder, you will need a paper lunch bag. Blow into the bag until it's filled with air. Quickly twist the top closed with one hand, and with the other hand, hit the bag. When you hit the bag, the air pressure increases very quickly. In fact, the air pressure breaks the bag. The air rushes outside the bag, creating a sound wave. When it reaches your ear, you hear a loud boom.
To make your own thunder, you will need a paper lunch bag. Blow into the bag until it's filled with air. Quickly twist the top closed with one hand, and with the other hand, hit the bag. When you hit the bag, the air pressure increases very quickly. In fact, the air pressure breaks the bag. The air rushes outside the bag, creating a sound wave. When it reaches your ear, you hear a loud boom.
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