8th Grade Earth Science

There are many cycles throughout the universe.

2. The moon's orbit around the earth once in about 28 days changes what portion of the moon is lighted by the sun and how much of that portion can be seen from the earth--the phases of the moon. (AKSci - A.4)

Examples of What Students Should Be Able to Do:

• Demonstrate phases of the moon with a light source and small sphere.