4/8:  Understanding Stars / spectroscopy lab due.

4/9:  www.castlelearning.com -- STARS

4/16:  www.castlelearning.com -- Planetary motion

4/14:  TEST DAY!  Because of the end of the 3rd term, our test will be on WEDNESDAY instead of Friday this week.

4/19:  Welcome the 4th marking term.  Your NYS lab requirement should be completed by now.  Find any missing labs that aren't in your lab folder and bring them in!

4/23:  www.castlelearning.com -- Rotation and Revolution.

4/30:  www.castlelearning.com -- Moon.  TEST DAY on Topic 4.  Do the topic reading for extra credit.