Chapter 2 Lesson 1: Sun-Earth-Moon Systems

Front

Equinox

Back

Marks the beginning of fall or spring

Front

Rotation

Back

Motion around an axis

Front

Autumn Equinox in Northern Hemisphere

Back

September 21

Front

Revolution

Back

Motion of one object around another

Front

Solstice

Back

Beginning of summer or winter

Front

Lunar Eclipse

Back

Earth casts a shadow on the Moon.

Front

Effects of the Moon on Earth

Back

Seasons and Tides

Front

High tides lowest phase of the Moon

Back

first and third quarter

Front

Moon waning phase

Back

Full moon to last quarter