1. 6 thGrade ScienceChapter 9 Sun-Earth-Moon System Notes Section 9.1 2. How did people long ago know the Earth was spherical? Aristotle in 350 B.C. observed that the Earth…

1.Ch 23 Section I The Earth2.   3. Earth is now known to be a round 3-dimensional sphere 4. Axis – imaginary vertical line around which earth spins 5. Rotation – the…

1.Ch 23 Section I The Earth2. Properties of the Earth people used to think that Earth was flat and at the centre of the universe 3.   4. Earth is a round 3-dimensionalsphere…

Slide 124.2 Sun and Seasons http://highered.mcgraw- hill.com/sites/007299181x/student_view0/cha pter2/seasons_interactive.html Slide 2 Slide 3 Earth Motions 1. Earth moves…

Slide 1 Why is one area of the earth’s land surface a desert, another a grassland, and another a forest? Slide 2 Climate- long term weather patterns Weather- momentary…

Slide 1 Global Warming 011 Slide 2 Winter solstice Dec. 22 Sun vertical at 23.5 o S Winter solstice Dec. 22 Sun vertical at 23.5 o S Autumnal equinox Sep. 23 Sun vertical…