Details Title: 19-5 Comets Asteroids & Meteor Description: comets, asteroids & meteors Total Flash Cards: 8 Created: 04/30/2009 17:37:55		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Science Flashcards
Cards in this set: Term What are comets? Definition Comets are chunks of ice and dust whose orbits are usually very long and narrow. Term What are the 3 main parts of a comet? Definition 1. nucleus 2. coma 3. tail Term How does the comet's tail form? Definition a comet's tail forms when the comet gets close enough to the sun that the heat turns the ice into gas forming dust (solar wind pushes the gas away from the sun) Term Where is the asteroid belt located. Definition Most asteroids revolve around the sun between the orbits of Mars and Jupiter. Term What is a streak of light caused by the burning of a meteoroid in the atmosphere? Definition Meteoror Term What is a chunk of rock or dust in space? Definition meteoroid Term What is a meteoroid that has passed through the atmosphere and hit Earth's surface? Definition meteorite Term Where do meteoroids come from? Definition they are chunks of asteroids or comets.