• Knows that planets differ in size, composition, and surface features • Knows that the Earth is one of several planets that orbit the Sun and that the Moon orbits the Earth • Knows that planets look like stars, but over time they appear to wander among the constellations • Knows that astronomical objects in space are massive in size and are separated from one another by vast distances • Knows that the Earth is distinguished from other known celestial bodies in that it is the only planet known to harbor life, although similar planets might yet be discovered in the universe
Why do I need to sign in? Microsoft respects your privacy. A global community, the Microsoft Educator Network asks you to sign in to participate
in discussions, access free technology tools, download thousands of learning activies, take online learning or connect with colleague.