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Build a Hair Hygrometer at Home by Kaira de Leon is a document available to read on EtoBox.

What is Build a Hair Hygrometer at Home about?

This document provides instructions for three science fair project ideas that involve measuring properties of soil and water: 1) Make a hygrometer using strands of hair to measure humidity levels. Hair strands relax and lengthen in humid conditions. 2) Measure how the dissolved oxygen levels in water samples vary with temperature, since oxygen solubility is affected by temperature. 3) Collect soil samples at different depths to observe how soil properties change with depth and compare profiles from dif

Author

Kaira de Leon

Language

EN