Lesson 4.2 questions by EMERSON ORTH https://padlet.com/ortheme000/j27kyh741vya Made with good vibes en-us 2017-11-16 19:56:21 UTC 2017-11-20 19:56:10 UTC hello@padlet.com Why is Pluto no longer considered a planet? ortheme000 https://padlet.com/ortheme000/j27kyh741vya/wish/207880026 Pluto is no longer considered a planet because it wasn´t acting like on. It wasn´t following the orbit and was too small to be considered one.]]> 2017-11-16 19:58:31 UTC https://padlet.com/ortheme000/j27kyh741vya/wish/207880026 What does it mean to say that the Sun is a second generation star? ortheme000 https://padlet.com/ortheme000/j27kyh741vya/wish/207881662 What Mr. Green means by ¨the sun is a second generation star" is that it was made by the scraps of other stars.]]> 2017-11-16 20:01:59 UTC https://padlet.com/ortheme000/j27kyh741vya/wish/207881662 What were some of the materials orbiting the Sun after it formed, and why did the dust begin to stick together? ortheme000 https://padlet.com/ortheme000/j27kyh741vya/wish/207884466 Some of the materials were meteors that turned into nebular dust and the 60 different kinds of minerals.]]> 2017-11-16 20:07:15 UTC https://padlet.com/ortheme000/j27kyh741vya/wish/207884466 How long did our Solar System take to get to the form it has today? ortheme000 https://padlet.com/ortheme000/j27kyh741vya/wish/207886261 10 to 100 million years.]]> 2017-11-16 20:10:57 UTC https://padlet.com/ortheme000/j27kyh741vya/wish/207886261 What happened to the heavier metals when the planet formed?What happened to the gases that rose up from beneath the Earth’s crust and were released in volcanic eruptions? ortheme000 https://padlet.com/ortheme000/j27kyh741vya/wish/208274000 The heavier metals sank to the core and the lighter stuff formed the atmosphere.]]> 2017-11-17 19:33:42 UTC https://padlet.com/ortheme000/j27kyh741vya/wish/208274000 The conditions of the Hadean eon were awful, but they did help make the Earth more chemically complex. How? ortheme000 https://padlet.com/ortheme000/j27kyh741vya/wish/208275511 The Hadean eon allowed a lot more mineral combinations and it happened by intense heat and pressure. ]]> 2017-11-17 19:37:21 UTC https://padlet.com/ortheme000/j27kyh741vya/wish/208275511 When and why did the oceans form? ortheme000 https://padlet.com/ortheme000/j27kyh741vya/wish/208278373 The water vapor accumulated into torrential rains that lasted millions of years. They formed from 3.8 to 4 billion years ago.]]> 2017-11-17 19:43:23 UTC https://padlet.com/ortheme000/j27kyh741vya/wish/208278373 Why is the Earth compared to an egg when the discussion of plate tectonics begins in this video? ortheme000 https://padlet.com/ortheme000/j27kyh741vya/wish/208280068 The Earth is compared to an egg because the scale fits to where the shell of an egg is like the crust of the Earth]]> 2017-11-17 19:47:05 UTC https://padlet.com/ortheme000/j27kyh741vya/wish/208280068 What are some of the benefits of plate tectonic activity? ortheme000 https://padlet.com/ortheme000/j27kyh741vya/wish/208281316 They suck harmful things into the Earths surface, they also keep the surface cool. ]]> 2017-11-17 19:49:38 UTC https://padlet.com/ortheme000/j27kyh741vya/wish/208281316 Why has our knowledge of planets and solar systems changed in the last 20 years? ortheme000 https://padlet.com/ortheme000/j27kyh741vya/wish/208282842 We have discovered exo-planets and over 40 billion Earth sized planets in our galaxy.]]> 2017-11-17 19:53:04 UTC https://padlet.com/ortheme000/j27kyh741vya/wish/208282842