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Hipervinculo Geología

Comparing Different Methods of Assessing Turbidity

In this project three different methods of testing turbidity in water will be compared, the secchi disk, spectrophotometer, and turbidity test kit. Turbidity is caused by suspended particles that scat ...

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Equipo Didactalia

Hipervinculo Geología

Erosion Experiment

Huff, puff and blow as hard as you can—do you think you can blow down a sand castle with your mighty breath? Blowing air erodes—wears away—sand and dirt. In Three Little Pigs, houses of straw or twigs ...