Curated OER
A Tool for the Environment
In this desalting salt water instructional activity, students will read about three different methods of desalting sea water which includes distilling, crystallizing, and filtering. Students will describe these methods in three short...
Curated OER
Sea Water Freeze
Students observe how salinity affects the time it takes water to freeze. They participate in an experiment to determine that ice is essentially salt-free whether formed from fresh or salt water
Curated OER
Diaper Challenge
Middle schoolers compare the absorbency of a regular diaper and a swim diaper in fresh water and salt water. In this absorbency lesson plan, students mass the diapers and place them in water and determine the change in mass. They do the...