Can you taste the different between tap water and bottled water? See the difference between rain water and melted snow? Just how accurate are our senses in detecting the biological, chemical, and physical properties of water?
In lab today, students explored their own sensory thresholds by making observations about different dilutions of Gatorade in water. From a dilution of 1 to 1/256...students challenged their eyes, noses, and taste buds.
Measuring the dilutions.
Making observations.
Recording in our lab journals.What is a sensory threshold? Ask our students.
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