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. Current Events Class Opener
Science in the News
Meteor Explodes over Russia
by Mr. Marty, Physics teacher
NIS, Taldykorgan, Kazakhstan
2. Do you know the
difference between ?
Meteoroid
Meteor
Meteorite
3. Meteoroid: a small sized asteroid, rock or
particle of space debris orbiting the sun.
4. Meteor: a shooting star, caused by
the burning of a piece of space debris
that enters Earths atmosphere.
5. Meteorite: a rock from a meteor that
survived after burning when it came
through the Earths atmosphere.
6. Therefore, one rock from space could
be all three things, at different times.
Meteoroid
Meteor
Meteorite
7. Friday 15 February 2013: Meteor explodes
over the Ural Mountains of Russia and
injures more than 1000.
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. 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. 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
13. 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)