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