Sea Water Freeze
Learners 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
6th - 8th Science 11 Views 15 Downloads
Water, Water Everywhere and Not a Drop to Drink
Students discuss the importance of taking care of their water supply so not only they can use it but generations in the future. In groups, they examine a real pollution scenario in which a sewer overflowed into the ground water. They use...
5th - 6th Science