Sea Water Freeze

There are five types of frost: ground frost, air frost, hoar frost, glaze, and rime. Scholars mix ice and salt in a metal container to observe frost forming on the outside of the can. Animations and videos enhance the learning. 

Sea ice contains 17 sub-types based on age and various characteristics. Scholars observe ice floating in a simulated ocean and record their observations. Then, they view photographs of different types of sea ice and learn to...

In this Looking at the Water Cycle learning exercise, read an explanation of the water cycle and fill in missing words. Students also create a poster about the water cycle, deliver a weather forecast, and research further questions.

Have you ever wondered why cities in cold climates put salt on the roads to help keep ice from forming? In this chemistry video, Sal explains why the introduction of salt molecules suppresses, or delays, the formation of ice crystals...

Water is powerful! Because it expands as it freezes, if it does so in a closed system, tremendous pressure can be created. All it takes is a little break to cause the system to explode! It's unlikely that you would submerge a pipe full...

Students make a striking visual display showing the distribution of water on earth.

It may seem simple, but water is one of the most unique substances on Earth. An interactive online lesson describes its properties and importance in so many different situations. Learners interact with the lesson to learn the role water...

After a concise introduction to the water cycle, junior meteorologists access NOAA's average snowfall data. They choose a city to examine in terms of precipitation. Then they look at historical snowfall data and use it to predict snow...

Young scholars work with three stations to demonstrate the properties of water. They explore water's boiling point, freezing point, and its ability to store heat.

In this lesson, middle schoolers will compare water from a fresh lake to water from the Great Salt Lake to begin to build a conceptual model for how salt dissolves in water. The lesson focuses on students using and developing models of...