Students experiment with currents caused by temperature variations that simulate the origins and flow of polar bottom currents. They discover water density is affected by temperature and salinity, resulting in deep water currents.
7th - 12th Science 3 Views 3 Downloads
Changing the Density of a Liquid - Heating and Cooling
During a unit on density, pupils ponder whether or not temperature affects this property. By carefully inserting blue cold water and yellow hot water into a room-temperature sample, they will see the answer. Make sure to have done the...
3rd - 8th Science
Scholars build a simple filtration system to remove impurities from muddy water and rate the filtered water to a grade of clarity scale. The focus is on teamwork and problem solving. This lesson would be effective in your STEM curriculum...
3rd - 12th Technology & Engineering CCSS: Adaptable
Cause and Effect of Water Pollution
Your students will become aware of and be able to list the major types and sources of water pollution. Being able to recognize that the household, agriculture, and industry sectors of society contribute to water pollution, is the main...
5th - 10th Science CCSS: Adaptable