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Khan Academy
Khan Academy: Transforming Data Problem
It is very common to take data and apply the same transformation to every data point in the set. For example, we may take a set of temperatures taken in degrees fahrenheit and convert them all to degrees celsius. How would this...
Science Struck
Science Struck: Density of Water at Room Temperature
Discusses how to calculate the density of water and how density varies depending on the temperature and the salinity. Presents a chart showing the difference in the density of non-saline water for temperatures between 0 and 100 degrees...
Curated OER
Kids Health: Botulism
Keep yourself safe from botulism -- "a rare disease that affects nerves and the muscles they control." This article tells how botulism spreads and how it can be prevented.