Chapter 21 - Astronomy: axis; rotation; revolution; ellipse; equinox; moon phases; full moon; solar eclipse; lunar eclipse; marie
Chapter 2: prominences; sunspots; solar flares; atoms; half-life; protons; electrons; atomic number; neutons
Know of Earth's rotation on its axis; what causes night and day; the summer solstice/
Review the Planets and their moons.
Should be able to explain how the moon phases depend on the position of the moon, sun; Earth.
Also, Why do planets orbit the sun.