Meteoroid opener

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A short current event class opener for science, ESL, geography or social studies. It defines meteoroid, meteor,meteorite and bolide in reference to the meteor that exploded over the Ural mountains if Russia on 15 February 2013, with pictures, diagrams and map.

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Meteoroid opener

  1. 1. Current Events Class Opener Science in the NewsMeteor Explodes over Russia by Mr. Marty, Physics teacher NIS, Taldykorgan, Kazakhstan
  2. 2. Do you know thedifference between ?•Meteoroid•Meteor•Meteorite
  3. 3. Meteoroid: a small sized asteroid, rock orparticle of space debris orbiting the sun.
  4. 4. Meteor: a “shooting star”, caused bythe burning of a piece of space debristhat enters Earth’s atmosphere.
  5. 5. Meteorite: a rock from a meteor thatsurvived after burning when it camethrough the Earth’s atmosphere.
  6. 6. Therefore, one rock from space couldbe all three things, at different times. •Meteoroid •Meteor •Meteorite
  7. 7. Friday 15 February 2013: Meteor explodes over the Ural Mountains of Russia and injures more than 1000.
  8. 8. Bolide: an exploding fireball caused byunequal pressures in a burning meteor.
  9. 9. The explosion of the meteor in Russia:• Occurred at about 9:20 am on Friday 15 February 2013• Was near the Ural Mountains and the city of Chelyabinsk• The explosion, equal to a 490 kiloton bomb, caused shockwaves that shattered windows• Most injuries were caused by breaking glass
  10. 10. Facts about the Meteor• Meteoroid was about 17 meters across• Meteor traveled at more than 64,000 km/h• Bolide was briefly brighter than the sun
  11. 11. Meteorite Remains• Many meteorites landed in 3 regions of Russia and some in one region of Kazakhstan• One large meteorite burned a hole in an ice coved lake, 80 Km from city of Chelyabinsk
  12. 12. References for Meteor Explodes Over Russia• Russian Meteor Blast Bigger Than Thought, NASA Says. URL: http://news.yahoo.com/russian-meteor-blast-bigger-thought-nasa-says- 234920189.html (17 Feb 2013)• From Our Vault: 1897 Meteorite Recovery. URL: http://news.nationalgeographic.com/news/2013/13/pictures/130215-meteorite- earth-hit-science-space-peary-american-museum-natural-history/#/meteorite- recovered-greenland-island-1890s-on-ship_64346_600x450.jpg (17 February 2013)• Bolide, b-o-l-i-d-e, bolide-our-terms. URL: http://www.iheartmonster.com/2010/02/bolide-b-o-l-i-d-e-bolide-our-terms.html (17 February 2013)• Learn about meteorites. Meteorite hunting, photographs and information. URL: http://meteorite.org/ (17 February 2013)• Meteoroids. URL: http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level2/meteoroids.htm l (17 February 2013)• Meteorite hits Russia. URL: http://gma.yahoo.com/photos/meteorite-hits-russia- 1360937923-slideshow/ (17 February 2013)• Huge Russian Meteor Blast is Biggest Since 1908. URL: http://www.space.com/19829-russian-fireball-meteor-blast-infographic.html (18 February 2013)

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