What's in the Water
Contains:
Citric acid
Salt
1/2 teaspoon
3 250-mL beakers
3 1-mL pipettes
pH paper
Refractometer
Digital thermometer
Data collection sheets
pH scale graphic
Pencils
Tray
Microfiber cloth
Waste container
Marker and labels
Fee: $ 0.00 per 7 days
In this activity, students will explore different water samples and test to determine the differences between them. The three samples differ in pH value, salinity, and temperature. This activity models how what is is water can greatly affect the ecosystem.
http://nisenet.org/catalog/whats-water
http://www.nisenet.org/chemistry-kit