--4th Grade-- I can explain that air surrounds me. I can explain that air takes up space. I can explain that moving air is wind. I can explain that air pressure can be measured with a barometer. I can identify forms of water in the air like rain, snow, fog, and hail. I can investigate how water changes from a solid to a liquid to a gas. I can describe the weather in measurable amounts such as temperature, wind direction, precipitation, and barometric pressure. I can record local weather information and describe changes over time. I can trace how the weather moves from west to east across the country. I can describe the type of weather that goes with cumulus, cumulonimbus, cirrus, and stratus clouds. --5th Grade-- I can describe how night and day are caused by the earth's rotation. I can explain how the Earth orbits the sun, and the moon orbits the Earth. I can describe the characteristics of the Earth and its orbit about the sun. I can explain that stars are like the sun, some being smaller and some larger, but so far away that they look like points of light.
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