Details

Title: 19-5 Comets Asteroids & Meteor

Description: comets, asteroids & meteors

Total Flash Cards: 8

Created: 04/30/2009 17:37:55

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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.