First All Female Spacewalk
Topics in Unit 2
Thursday: Paragraphs 1-19
Friday: Paragraphs 20-48
Defining Gravity (video)
How Gravity Works in the Universe (video)
The Sun and the Seasons (video)
Moon Phases (video)
What Role Does Gravity Play in the Solar System?
Khan Academy on Gravity (video)
Encyclopedia Britannica on Gravity
Seasons on Earth (video)
Moon Phases (video)
Eclipses (video)