Water can be compared to other liquids by observing their properties. Different objects sink or float in water. Water is used in many ways. 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.