https://padlet.com/mbursey/8asp9zfhwa43 Sort these piece of evidence to distinguish between physical evidence, and physics as evidence that supports the dinosaur extinction by asteroid impact. When you are finished, take screenshots, then try to save as an image. en-us 2019-09-05 17:31:20 UTC 2019-09-08 23:46:47 UTC hello@padlet.com https://padlet.pics/1/image.webp?t=g_auto&url=https%3A%2F%2Fpadlet.net%2Ficons%2Fpng%2F1f92f.png mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557793 Great variety of life (including foraminifera) found in fossil record below the K/T boundary]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557793 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557796 No dinosaur bones were found above the K/T boundary]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557796 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557799 The velocity at which the asteroid hit the planet was the most significant variable.]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557799 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557802 After the K-T boundary, scientists found fossils of smaller animals that lived in holes. ]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557802 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557806 Asteroids stay within the Asteroid Belt because their forces are balanced. ]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557806 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557813 Newton’s first law helps us understand that an unbalanced force caused the asteroid to move toward Earth.]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557813 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557817 Earth’s gravity caused the asteroid to accelerate at 9.8 m/s/s.]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557817 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557821 Iridium was found at levels 30 times higher than what is normal on Earth at the K/T boundary.]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557821 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557824 The lack of plutonium assured chemists that it was not a supernova.]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557824 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557826 Kinetic energy is the energy of a moving object and is a product of half the mass times the velocity squared (KE = ½m*v²). This is related to Newton’s second law.]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557826 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557827 Newton’s third law helps us understand how the impact force was so great, that it caused massive earthquakes, tsunamis, shockwaves, and ejecta thrown in all directions. ]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557827 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557828 Crater of the right size and age found in Mexico]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557828 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557829 Potential energy converts to kinetic energy once an object starts falling.]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557829 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557830 Evidence of tsunamis found on multiple continents]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557830 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557836 Evidence of forests being flattened across the Americas]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557836 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557837 Potential energy is the product of mass multiplied by the gravitational force times the height (PE = m*g*h)]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557837 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557839 The impact force was great enough to send 90 million metric tons of debris and gasses into the air, and how it stayed in the atmosphere for so long. ]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557839 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557840 The sulfate aerosols forced into the air caused global cooling, then global warming for many years. ]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557840 mbursey https://padlet.com/mbursey/8asp9zfhwa43/wish/380557841 Shocked quartz nearby was evidence of extreme pressures near the impact site. ]]> 2019-09-05 17:31:20 UTC https://padlet.com/mbursey/8asp9zfhwa43/wish/380557841