P1: The Earth and the Universe P.Percy Norton College
What is the Earth made of? What is gravity? What do you already know about the Earth & the Universe?
How old are rocks? Which are the oldest? How do we know? Who was James Hutton?
What are the 3 pieces of Wegener’s evidence? Why was he not believed? What other explanation was there?
What are tectonic plates?How do Earthquakes, volcanoes & tsunamis happen?
What killed off the dinosaurs?What evidence is there?Could it happen again?
How do we know the surface temperature of a star?How do we know the composition of a star? • Why are all living things made of stardust?
How do we measure the distance to a star? • Is our Sun the only star which has planets orbiting? • Is there any evidence for life anywhere other than Earth?