NCES.4.P.1.2: Explain how electrically charged objects push or pull on other electrically charged objects and produce motion.
NCES.4.P.2.1: Compare the physical properties of samples of matter (strength, hardness, flexibility, ability to conduct heat, ability to conduct electricity, ability to be attracted by magnets, reactions to water and fire).
NCES.4.P.2.2: Explain how minerals are identified using tests for the physical properties of hardness, color, luster, cleavage and streak.
NCES.4.P.3.2: Recognize that light travels in a straight line until it strikes an object or travels from one medium to another, and that light can be reflected, refracted, and absorbed.
NCES.4.E.1.1: Explain the cause of day and night based on the rotation of Earth on its axis.
NCES.4.E.1.2: Explain the monthly changes in the appearance of the moon, based on the moon’s orbit around the Earth.
Correlation last revised: 1/22/2020