MD.2.0. Earth/Space Science: Students will use scientific skills and processes to explain the chemical and physical interactions (i.e., natural forces and cycles, transfer of energy) of the environment, Earth, and the universe that occur over time.
2.D.1. Astronomy: Identify and compare properties, location, and movement of celestial objects in our solar system.
2.D.1.d. Identify and describe physical properties of comets, asteroids, and meteors.
2.D.1.e. Provide evidence that supports the idea that our solar system is sun-centered.
2.D.2. Astronomy: Recognize and describe the causes of the repeating patterns of celestial events.
2.D.2.c. Describe the revolution of the planet Earth around the sun.
2.D.2.d. Recognize and describe that the revolution of the planet Earth produces effects: The observable patterns of stars in the sky stay the same although different stars can be seen in different seasons; Length of year.