Massachusetts Institute of Technology
Mit: Blossoms: Will an Ice Cube Melt Faster in Freshwater or Saltwater?
Engage students in the study of the ocean and saltwater with these activities. Students will see that saltwater has different physical properties than freshwater - mainly density. This lesson can serve as a springboard into other...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Changing the Freezing Point of Water With Salt
This lesson plan teaches first grade students basic chemistry and physics principles--that saltwater freezes at a lower temperature that plain water.
CK-12 Foundation
Ck 12: Physical Science: Properties of Solutions
[Free Registration/Login may be required to access all resource tools.] How solutes affect solvents, the freezing point depression and boiling point elevation.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Properties of Fresh Water and Sea Water
Students set up three demonstrations to observe the properties of water. They explore the boiling point of water, the freezing point of water, and the ability of water to store heat.