Water can be conserved and protected or polluted and wasted. Daily weather conditions change. Clouds provide clues about the weather. The seasons have characteristics and follow a cycle. Seasons and weather affect animals and plants.
People can prepare for different kinds of weather.
The way weather is predicted has changed over time. A structure is affected by balance, stability, and the material from which it is made. The base of a structure determines its ability to stand. Models represent real things.