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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
Meteorite
C
Space Dust
D
Meteoroid
2) If a rock in space is floating in space we know it as a what?
A
Meteorite
B
Meteor
C
Meteoroid
D
Comet dust
3) Where do most meteoroids come from?
A
Parts of comets and asteroids
B
Broken space ships
C
Old dead planets
D
They come from space junk
4) If we look for asteroids, where is the best place to look?
A
Between Mars and Jupiter
B
Kuiper Belt
C
Between Mercury and Venus
D
Oort Cloud
5) Why do we watch asteroids in that zone?
A
We are looking for life
B
To see if they really exist
C
Some are dangerous and could impact Earth
6) What do all asteroids orbit around?
A
Venus
B
Mars
C
Earth
D
The Sun
7) The nickname of comets is what?
A
Muddy Meatball
B
Speedy
C
Slow turtles
D
Dirty Snowball
8) The part of the comet that is the rock-like head of a comet.
A
Coma
B
Dust
C
Tail
D
Nucleus
9) The tail contains what things in it?
A
rocks and nitrogen
B
nitrogen and dirt
C
gas and dust
10) Why does a comet's tail get longer?
A
The tail shrinks as we get closer to the sun
B
The tail moves in and faces the sun because of heat from planets.
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.
11) When a comet enters our solar system what kind of orbit does it have?
A
It never happens. Comets avoid our solar system.
B
A broad and circular orbit.
C
A more narrow, elliptical orbit.
D
Slow and sloppy
12) 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.
13) What was Gene Shoemaker studying when he found glass?
A
Impact Craters
B
Earth volcanoes
C
Moon Craters
14) Why was Shoemaker-Levy 9 an important comet?
A
The comet was hitting Earth
B
It proved comets can be fast
C
That comets and other objects can impact planets, including Earth
15) W/hat part of an impact crater settles in the middle of the crater?
A
Wall
B
Bottom layer
C
Central Peak
D
Rim
16) Where in our 50 states is the most famous impact crater site?
A
Arizona
B
Florida
C
Pennsylvania
D
Alaska
17) Where do comets come from?
A
Snort Cloud
B
Oort Cloud and Kuiper Belt
C
Asteroid Belt
18) What layer of the atmosphere destroys comets?
A
Mesosphere
B
Troposphere
C
Thermosphere
D
Exosphere
19) The planet where we saw an impact.
A
Mars
B
Earth
C
Saturn
D
Jupiter
20) Impact craters used to be thought of as what?
A
Dormant alien huts
B
A rocky surface
C
Atmosphere
D
Old Volcanoes
*select an answer for all questions
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