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The periodic table

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Humidity, eclipses and early scientists: solution and notes

How loud is that?

Humans can hear sounds that have a huge variation in intensity. The decibel scale helps us to express and compare a wide range of sound intensities

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The terms in bold link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the IB, Pre-U and SQA exam specifications.

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Previous

The periodic table

Next

Humidity, eclipses and early scientists: solution and notes

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