Slide Preview for P1 The Earth in the Universe

Powerpoint Description:

The eight planets in our solar system and their relatives positions and orbits, asteroids, comets, summary of the solar system, relative sizes, ages and distances of the sun compared to the Milky Way and the universe, how stars are formed, observing the universe, the light year, relative distances of nearby galaxies, measuring distances in space using brightness and parallax, problems in measuring these distances, the size of the Earth compared to stars, how the universe began, evidence for the Big Bang theory, red shift explained, Hubble's Law, the end of the universe, evidence for the age of the Earth, continental drift, tectonic theory, forming mountains, movement of the crust, sea floor spreading, magnetic reversal patterns, plate movements, the structure of the Earth, using seismic waves to investigate the Earth's structure, waves, transverse and longitudinal waves, P waves and S waves, wave speed, amplitude, frequency and wavelength of waves.