1) What are the differences between salt water and freshwater?
Consider the following:
a) Appearance -
b) Buoyancy -
c) Density -
d) Other differences -
2) How do objects float in water? How do large, heavy objects (like ships) float on sea water? Why do some objects float and others don’t?
Use Google and use Youtube!
Check out these resources to help you learn more:
Bonus Question: Fresh water from rivers mixes with salt water when the river reaches the sea. What happens when fresh water mixes with saltwater? Does the freshwater mix completely with the saltwater? Does it float above the saltwater? Or does it sink below the saltwater?