A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science.
Exploring Air & Air Pressure
Atmospheric pressure plays an essential role in respiration and the function of many devices, including water pumps, syringes and drinking straws. Explanations of pascals and psi and a demonstration revealing the presence of atmospheric pressure.
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