Identify the temperatures at which water becomes a solid and at which water becomes a gas.
Students will differentiate between the states of water and how they relate to the water cycle and weather.
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Construct an argument based on observations to support a claim that the physical changes in the state of water are due to temperature changes, which cause small particles that cannot be seen to move differently.
Investigate changes in objects by tearing, dissolving, melting, squeezing, etc.
Recognize that the changes in state of water (water vapor/steam, liquid, ice) are due to temperature differences and are examples of physical change.
Ask questions to identify forms of precipitation such as rain, snow, sleet, and hailstones as either solid (ice) or liquid (water).
Identify forms of precipitation such as rain, snow, sleet, and hailstones as either solid (ice) or liquid (water).