Asteroids, Comets And Meteors Question Preview (ID: 46464)
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If a rock in space hits Earth it is called a what?
a) Meteoroid
b) Meteorite
c) Meteor
d) Space Dust
If a rock in space is floating in space we know it as a what?
a) Meteorite
b) Meteor
c) Meteoroid
d) Comet dust
Where do most meteoroids come from?
a) Broken space ships
b) Parts of comets and asteroids
c) They come from space junk
d) Old dead planets
If we look for asteroids, where is the best place to look?
a) Kuiper Belt
b) Between Mercury and Venus
c) Oort Cloud
d) Between Mars and Jupiter
Why do we watch asteroids in that zone?
a) Some are dangerous and could impact Earth
b) To see if they really exist
c) We are looking for life
d)
What do all asteroids orbit around?
a) Mars
b) Venus
c) The Sun
d) Earth
The nickname of comets is what?
a) Muddy Meatball
b) Speedy
c) Dirty Snowball
d) Slow turtles
The part of the comet that is the rock-like head of a comet.
a) Coma
b) Nucleus
c) Tail
d) Dust
The tail contains what things in it?
a) gas and dust
b) nitrogen and dirt
c) rocks and nitrogen
d)
Why does a comet's tail get longer?
a) The tail moves in and faces the sun because of heat from planets.
b) The tail shrinks as we get closer to the sun
c) The sun's heat and wind blow the icy particles away from the sun making the tail longer as it gets closer.
d) The tail pops off and regrows like a lizard.
When a comet enters our solar system what kind of orbit does it have?
a) A more narrow, elliptical orbit.
b) Slow and sloppy
c) A broad and circular orbit.
d) It never happens. Comets avoid our solar system.
When a comet does pass through and by us, what does it leave behind?
a) Nothing is left behind. We hit comets head on.
b) Dust and rocks which turn into Meteor showers
c) Tail winds that make Earth wobble.
d)
What was Gene Shoemaker studying when he found glass?
a) Moon Craters
b) Earth volcanoes
c) Impact Craters
d)
Why was Shoemaker-Levy 9 an important comet?
a) It proved comets can be fast
b) The comet was hitting Earth
c) That comets and other objects can impact planets, including Earth
d)
W/hat part of an impact crater settles in the middle of the crater?
a) Wall
b) Central Peak
c) Bottom layer
d) Rim
Where in our 50 states is the most famous impact crater site?
a) Pennsylvania
b) Alaska
c) Arizona
d) Florida
Where do comets come from?
a) Asteroid Belt
b) Snort Cloud
c) Oort Cloud and Kuiper Belt
d)
What layer of the atmosphere destroys comets?
a) Troposphere
b) Thermosphere
c) Exosphere
d) Mesosphere
The planet where we saw an impact.
a) Saturn
b) Jupiter
c) Mars
d) Earth
Impact craters used to be thought of as what?
a) Atmosphere
b) Old Volcanoes
c) A rocky surface
d) Dormant alien huts
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