Overview of All About Water

In this section, you will learn about water vapor, ice crystals, and how the level of salt content in water effects the temperature at which it will freeze. Discover why many places use a salt mix to melt the ice on the streets and sidewalks during the winter. You'll also learn why various ice melt products work at some temperatures, but become ineffective when temperatures plummet.

In this section, you will also find out

  • how water is transported from the ocean inland
  • sources that produce water vapor
  • properties of water in atmospheric layers
  • composition of salt and fresh water in the ocean
  • if the terms "ocean" and "sea" mean the same thing
  • the ocean's part in influencing air temperature