KS.4. Earth and Space Science: The student will apply process skills to explore and develop an understanding of the structure of the earth system, earth's history, and earth in the solar system.
4.1. The student will understand that the structure of the earth system is continuously changing due to earth's physical and chemical processes.
4.1.1. The student identifies properties of the solid earth, the oceans and fresh water, and the atmosphere.
4.4. The student will model motions and identify forces that explain earth phenomena.
4.4.1. The student demonstrates and models object/space/time relationships that explain phenomena such as the day, the month, the year, seasons, phases of the moon, eclipses and tides.