The Moon Revolves Around Earth
Students manipulate a model demonstrating how the Moon's revolution around Earth causes phases. They also observe a demonstration about the Moon's periods of rotation and revolution, which explains why the same side of the Moon always faces Earth. As homework, students observe and draw Moon phases over a period of a month.
Learn by Reading
For additional content-area reading, check out the Houghton Mifflin Science eBook: Grade 3, Unit D, pages 74–78.